# Quizbank/Electricity and Magnetism (calculus based)/QB153099154207

QB153099154207

### QB:Ch 5:V0

QB153099154207

1)  ${\displaystyle E(z)=\int _{0}^{R}f(r',z)dr'}$
is an integral that calculates the magnitude of the electric field at a distance ${\displaystyle z}$ fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is ${\displaystyle R=3.3{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =4{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=2.0{\text{ m}}}$.

a) 6.877E+00 V/m2
b) 7.565E+00 V/m2
c) 8.321E+00 V/m2
d) 9.153E+00 V/m2
e) 1.007E+01 V/m2
2)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=3e}$?
a) 1.473E-14 N
b) 1.620E-14 N
c) 1.782E-14 N
d) 1.960E-14 N
e) 2.156E-14 N
3)
A ring is uniformly charged with a net charge of 9 nC. The radius of the ring is R=1.9 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.4 m (on axis) away from the loop's center?
a) 7.119E+09 N/C2
b) 7.831E+09 N/C2
c) 8.614E+09 N/C2
d) 9.476E+09 N/C2
e) 1.042E+10 N/C2

#### KEY:QB:Ch 5:V0

QB153099154207

1)  ${\displaystyle E(z)=\int _{0}^{R}f(r',z)dr'}$
is an integral that calculates the magnitude of the electric field at a distance ${\displaystyle z}$ fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is ${\displaystyle R=3.3{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =4{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=2.0{\text{ m}}}$.

-a) 6.877E+00 V/m2
-b) 7.565E+00 V/m2
+c) 8.321E+00 V/m2
-d) 9.153E+00 V/m2
-e) 1.007E+01 V/m2
2)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=3e}$?
-a) 1.473E-14 N
-b) 1.620E-14 N
-c) 1.782E-14 N
-d) 1.960E-14 N
+e) 2.156E-14 N
3)
A ring is uniformly charged with a net charge of 9 nC. The radius of the ring is R=1.9 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.4 m (on axis) away from the loop's center?
-a) 7.119E+09 N/C2
-b) 7.831E+09 N/C2
+c) 8.614E+09 N/C2
-d) 9.476E+09 N/C2
-e) 1.042E+10 N/C2

### QB:Ch 5:V1

QB153099154207

1)
A ring is uniformly charged with a net charge of 3 nC. The radius of the ring is R=1.8 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.1 m (on axis) away from the loop's center?
a) 3.159E+09 N/C2
b) 3.475E+09 N/C2
c) 3.823E+09 N/C2
d) 4.205E+09 N/C2
e) 4.626E+09 N/C2
2)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=5e}$?
a) 2.248E-14 N
b) 2.473E-14 N
c) 2.721E-14 N
d) 2.993E-14 N
e) 3.292E-14 N

3)  ${\displaystyle E(z)=\int _{0}^{R}f(r',z)dr'}$
is an integral that calculates the magnitude of the electric field at a distance ${\displaystyle z}$ fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is ${\displaystyle R=7.9{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =2{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=5.1{\text{ m}}}$.

a) 8.253E-01 V/m2
b) 9.079E-01 V/m2
c) 9.987E-01 V/m2
d) 1.099E+00 V/m2
e) 1.208E+00 V/m2

#### KEY:QB:Ch 5:V1

QB153099154207

1)
A ring is uniformly charged with a net charge of 3 nC. The radius of the ring is R=1.8 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.1 m (on axis) away from the loop's center?
+a) 3.159E+09 N/C2
-b) 3.475E+09 N/C2
-c) 3.823E+09 N/C2
-d) 4.205E+09 N/C2
-e) 4.626E+09 N/C2
2)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=5e}$?
-a) 2.248E-14 N
-b) 2.473E-14 N
+c) 2.721E-14 N
-d) 2.993E-14 N
-e) 3.292E-14 N

3)  ${\displaystyle E(z)=\int _{0}^{R}f(r',z)dr'}$
is an integral that calculates the magnitude of the electric field at a distance ${\displaystyle z}$ fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is ${\displaystyle R=7.9{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =2{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=5.1{\text{ m}}}$.

-a) 8.253E-01 V/m2
-b) 9.079E-01 V/m2
+c) 9.987E-01 V/m2
-d) 1.099E+00 V/m2
-e) 1.208E+00 V/m2

### QB:Ch 5:V2

QB153099154207

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=3e}$?
a) 1.473E-14 N
b) 1.620E-14 N
c) 1.782E-14 N
d) 1.960E-14 N
e) 2.156E-14 N
2)
A ring is uniformly charged with a net charge of 7 nC. The radius of the ring is R=1.7 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.2 m (on axis) away from the loop's center?
a) 6.925E+09 N/C2
b) 7.617E+09 N/C2
c) 8.379E+09 N/C2
d) 9.217E+09 N/C2
e) 1.014E+10 N/C2

3)  ${\displaystyle E(z)=\int _{0}^{R}f(r',z)dr'}$
is an integral that calculates the magnitude of the electric field at a distance ${\displaystyle z}$ fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is ${\displaystyle R=7.9{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =2{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=5.1{\text{ m}}}$.

a) 8.253E-01 V/m2
b) 9.079E-01 V/m2
c) 9.987E-01 V/m2
d) 1.099E+00 V/m2
e) 1.208E+00 V/m2

#### KEY:QB:Ch 5:V2

QB153099154207

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=3e}$?
-a) 1.473E-14 N
-b) 1.620E-14 N
-c) 1.782E-14 N
-d) 1.960E-14 N
+e) 2.156E-14 N
2)
A ring is uniformly charged with a net charge of 7 nC. The radius of the ring is R=1.7 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.2 m (on axis) away from the loop's center?
-a) 6.925E+09 N/C2
-b) 7.617E+09 N/C2
+c) 8.379E+09 N/C2
-d) 9.217E+09 N/C2
-e) 1.014E+10 N/C2

3)  ${\displaystyle E(z)=\int _{0}^{R}f(r',z)dr'}$
is an integral that calculates the magnitude of the electric field at a distance ${\displaystyle z}$ fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is ${\displaystyle R=7.9{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =2{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=5.1{\text{ m}}}$.

-a) 8.253E-01 V/m2
-b) 9.079E-01 V/m2
+c) 9.987E-01 V/m2
-d) 1.099E+00 V/m2
-e) 1.208E+00 V/m2

### QB:Ch 6:V0

QB153099154207

1)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.6 m. The other four surfaces are rectangles in y=y0=1.3 m, y=y1=4.4 m, z=z0=1.4 m, and z=z1=5.5 m. The surfaces in the yz plane each have area 13.0m2. Those in the xy plane have area 5.0m2 ,and those in the zx plane have area 6.6m2. An electric field of magnitude 11 N/C has components in the y and z directions and is directed at 34° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 2.756E+01 N·m2/C
b) 3.032E+01 N·m2/C
c) 3.335E+01 N·m2/C
d) 3.668E+01 N·m2/C
e) 4.035E+01 N·m2/C
2)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.6 m. The other four surfaces are rectangles in y=y0=1.6 m, y=y1=5.6 m, z=z0=1.8 m, and z=z1=4.4 m. The surfaces in the yz plane each have area 10.0m2. Those in the xy plane have area 6.4m2 ,and those in the zx plane have area 4.2m2. An electric field has the xyz components (0, 5.5, 7.3) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 1.891E+01 N·m2/C
b) 2.080E+01 N·m2/C
c) 2.288E+01 N·m2/C
d) 2.517E+01 N·m2/C
e) 2.768E+01 N·m2/C

3) A non-conducting sphere of radius R=3.5 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=2 nC·m-1.5. What is the magnitude of the electric field at a distance of 2.2 m from the center?

a) 3.604E+02 N/C
b) 3.964E+02 N/C
c) 4.360E+02 N/C
d) 4.796E+02 N/C
e) 5.276E+02 N/C

#### KEY:QB:Ch 6:V0

QB153099154207

1)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.6 m. The other four surfaces are rectangles in y=y0=1.3 m, y=y1=4.4 m, z=z0=1.4 m, and z=z1=5.5 m. The surfaces in the yz plane each have area 13.0m2. Those in the xy plane have area 5.0m2 ,and those in the zx plane have area 6.6m2. An electric field of magnitude 11 N/C has components in the y and z directions and is directed at 34° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 2.756E+01 N·m2/C
-b) 3.032E+01 N·m2/C
-c) 3.335E+01 N·m2/C
-d) 3.668E+01 N·m2/C
+e) 4.035E+01 N·m2/C
2)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.6 m. The other four surfaces are rectangles in y=y0=1.6 m, y=y1=5.6 m, z=z0=1.8 m, and z=z1=4.4 m. The surfaces in the yz plane each have area 10.0m2. Those in the xy plane have area 6.4m2 ,and those in the zx plane have area 4.2m2. An electric field has the xyz components (0, 5.5, 7.3) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 1.891E+01 N·m2/C
-b) 2.080E+01 N·m2/C
+c) 2.288E+01 N·m2/C
-d) 2.517E+01 N·m2/C
-e) 2.768E+01 N·m2/C

3) A non-conducting sphere of radius R=3.5 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=2 nC·m-1.5. What is the magnitude of the electric field at a distance of 2.2 m from the center?

+a) 3.604E+02 N/C
-b) 3.964E+02 N/C
-c) 4.360E+02 N/C
-d) 4.796E+02 N/C
-e) 5.276E+02 N/C

### QB:Ch 6:V1

QB153099154207

1)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.7 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=4.3 m, z=z0=1.8 m, and z=z1=4.9 m. The surfaces in the yz plane each have area 8.1m2. Those in the xy plane have area 7.0m2 ,and those in the zx plane have area 8.4m2. An electric field has the xyz components (0, 9.2, 7.1) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 6.364E+01 N·m2/C
b) 7.000E+01 N·m2/C
c) 7.700E+01 N·m2/C
d) 8.470E+01 N·m2/C
e) 9.317E+01 N·m2/C
2)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.6 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=5.4 m, z=z0=1.4 m, and z=z1=5.6 m. The surfaces in the yz plane each have area 16.0m2. Those in the xy plane have area 9.6m2 ,and those in the zx plane have area 11.0m2. An electric field of magnitude 15 N/C has components in the y and z directions and is directed at 33° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 8.921E+01 N·m2/C
b) 9.813E+01 N·m2/C
c) 1.079E+02 N·m2/C
d) 1.187E+02 N·m2/C
e) 1.306E+02 N·m2/C

3) A non-conducting sphere of radius R=3.7 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.4 (r≤R) where a=2 nC·m-1.6. What is the magnitude of the electric field at a distance of 3.1 m from the center?

a) 6.411E+02 N/C
b) 7.052E+02 N/C
c) 7.757E+02 N/C
d) 8.533E+02 N/C
e) 9.386E+02 N/C

#### KEY:QB:Ch 6:V1

QB153099154207

1)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.7 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=4.3 m, z=z0=1.8 m, and z=z1=4.9 m. The surfaces in the yz plane each have area 8.1m2. Those in the xy plane have area 7.0m2 ,and those in the zx plane have area 8.4m2. An electric field has the xyz components (0, 9.2, 7.1) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 6.364E+01 N·m2/C
-b) 7.000E+01 N·m2/C
+c) 7.700E+01 N·m2/C
-d) 8.470E+01 N·m2/C
-e) 9.317E+01 N·m2/C
2)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.6 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=5.4 m, z=z0=1.4 m, and z=z1=5.6 m. The surfaces in the yz plane each have area 16.0m2. Those in the xy plane have area 9.6m2 ,and those in the zx plane have area 11.0m2. An electric field of magnitude 15 N/C has components in the y and z directions and is directed at 33° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
+a) 8.921E+01 N·m2/C
-b) 9.813E+01 N·m2/C
-c) 1.079E+02 N·m2/C
-d) 1.187E+02 N·m2/C
-e) 1.306E+02 N·m2/C

3) A non-conducting sphere of radius R=3.7 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.4 (r≤R) where a=2 nC·m-1.6. What is the magnitude of the electric field at a distance of 3.1 m from the center?

-a) 6.411E+02 N/C
-b) 7.052E+02 N/C
+c) 7.757E+02 N/C
-d) 8.533E+02 N/C
-e) 9.386E+02 N/C

### QB:Ch 6:V2

QB153099154207

1)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.9 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=5.9 m, z=z0=1.3 m, and z=z1=5.3 m. The surfaces in the yz plane each have area 17.0m2. Those in the xy plane have area 12.0m2 ,and those in the zx plane have area 12.0m2. An electric field of magnitude 5 N/C has components in the y and z directions and is directed at 26° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 1.737E+01 N·m2/C
b) 1.910E+01 N·m2/C
c) 2.101E+01 N·m2/C
d) 2.311E+01 N·m2/C
e) 2.543E+01 N·m2/C

2) A non-conducting sphere of radius R=3.1 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.2 (r≤R) where a=2 nC·m-1.8. What is the magnitude of the electric field at a distance of 2.7 m from the center?

a) 4.782E+02 N/C
b) 5.260E+02 N/C
c) 5.787E+02 N/C
d) 6.365E+02 N/C
e) 7.002E+02 N/C
3)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.8 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=5.0 m, z=z0=1.6 m, and z=z1=5.9 m. The surfaces in the yz plane each have area 15.0m2. Those in the xy plane have area 6.5m2 ,and those in the zx plane have area 7.7m2. An electric field has the xyz components (0, 8.0, 9.4) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 6.192E+01 N·m2/C
b) 6.811E+01 N·m2/C
c) 7.492E+01 N·m2/C
d) 8.242E+01 N·m2/C
e) 9.066E+01 N·m2/C

#### KEY:QB:Ch 6:V2

QB153099154207

1)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.9 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=5.9 m, z=z0=1.3 m, and z=z1=5.3 m. The surfaces in the yz plane each have area 17.0m2. Those in the xy plane have area 12.0m2 ,and those in the zx plane have area 12.0m2. An electric field of magnitude 5 N/C has components in the y and z directions and is directed at 26° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 1.737E+01 N·m2/C
-b) 1.910E+01 N·m2/C
-c) 2.101E+01 N·m2/C
-d) 2.311E+01 N·m2/C
+e) 2.543E+01 N·m2/C

2) A non-conducting sphere of radius R=3.1 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.2 (r≤R) where a=2 nC·m-1.8. What is the magnitude of the electric field at a distance of 2.7 m from the center?

+a) 4.782E+02 N/C
-b) 5.260E+02 N/C
-c) 5.787E+02 N/C
-d) 6.365E+02 N/C
-e) 7.002E+02 N/C
3)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.8 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=5.0 m, z=z0=1.6 m, and z=z1=5.9 m. The surfaces in the yz plane each have area 15.0m2. Those in the xy plane have area 6.5m2 ,and those in the zx plane have area 7.7m2. An electric field has the xyz components (0, 8.0, 9.4) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
+a) 6.192E+01 N·m2/C
-b) 6.811E+01 N·m2/C
-c) 7.492E+01 N·m2/C
-d) 8.242E+01 N·m2/C
-e) 9.066E+01 N·m2/C

### QB:Ch 7:V0

QB153099154207

1)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=4.29 cm. The dipole is centered at the origin and points in the y-direction as shown. What is the electric potential at the point (x=3.33 cm, y=2.15 cm)? Note that following the textbook's example, the y-value of the field point at 2.15 cm matches the disance of the positive charge above the x-axis.
a) 4.324E+02 V
b) 4.757E+02 V
c) 5.232E+02 V
d) 5.755E+02 V
e) 6.331E+02 V

2) Calculate the final speed of a free electron accelerated from rest through a potential difference of 16 V.

a) 2.157E+06 m/s
b) 2.372E+06 m/s
c) 2.610E+06 m/s
d) 2.871E+06 m/s
e) 3.158E+06 m/s
3)
Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.) The charges are q1=3 μC, q2=6 μC, q3=7 μC, and q4=9 μC. How much work was required to assemble these four charges from infinity?
a) 3.116E+01 J
b) 3.427E+01 J
c) 3.770E+01 J
d) 4.147E+01 J
e) 4.562E+01 J

#### KEY:QB:Ch 7:V0

QB153099154207

1)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=4.29 cm. The dipole is centered at the origin and points in the y-direction as shown. What is the electric potential at the point (x=3.33 cm, y=2.15 cm)? Note that following the textbook's example, the y-value of the field point at 2.15 cm matches the disance of the positive charge above the x-axis.
-a) 4.324E+02 V
-b) 4.757E+02 V
+c) 5.232E+02 V
-d) 5.755E+02 V
-e) 6.331E+02 V

2) Calculate the final speed of a free electron accelerated from rest through a potential difference of 16 V.

-a) 2.157E+06 m/s
+b) 2.372E+06 m/s
-c) 2.610E+06 m/s
-d) 2.871E+06 m/s
-e) 3.158E+06 m/s
3)
Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.) The charges are q1=3 μC, q2=6 μC, q3=7 μC, and q4=9 μC. How much work was required to assemble these four charges from infinity?
-a) 3.116E+01 J
-b) 3.427E+01 J
-c) 3.770E+01 J
-d) 4.147E+01 J
+e) 4.562E+01 J

### QB:Ch 7:V1

QB153099154207

1)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=4.39 cm. The dipole is centered at the origin and points in the y-direction as shown. What is the electric potential at the point (x=3.56 cm, y=2.19 cm)? Note that following the textbook's example, the y-value of the field point at 2.19 cm matches the disance of the positive charge above the x-axis.
a) 3.852E+02 V
b) 4.238E+02 V
c) 4.661E+02 V
d) 5.127E+02 V
e) 5.640E+02 V
2)
Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.) The charges are q1=3 μC, q2=6 μC, q3=9 μC, and q4=11 μC. How much work was required to assemble these four charges from infinity?
a) 4.554E+01 J
b) 5.009E+01 J
c) 5.510E+01 J
d) 6.061E+01 J
e) 6.667E+01 J

3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 16 V.

a) 2.157E+06 m/s
b) 2.372E+06 m/s
c) 2.610E+06 m/s
d) 2.871E+06 m/s
e) 3.158E+06 m/s

#### KEY:QB:Ch 7:V1

QB153099154207

1)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=4.39 cm. The dipole is centered at the origin and points in the y-direction as shown. What is the electric potential at the point (x=3.56 cm, y=2.19 cm)? Note that following the textbook's example, the y-value of the field point at 2.19 cm matches the disance of the positive charge above the x-axis.
-a) 3.852E+02 V
-b) 4.238E+02 V
+c) 4.661E+02 V
-d) 5.127E+02 V
-e) 5.640E+02 V
2)
Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.) The charges are q1=3 μC, q2=6 μC, q3=9 μC, and q4=11 μC. How much work was required to assemble these four charges from infinity?
-a) 4.554E+01 J
-b) 5.009E+01 J
-c) 5.510E+01 J
+d) 6.061E+01 J
-e) 6.667E+01 J

3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 16 V.

-a) 2.157E+06 m/s
+b) 2.372E+06 m/s
-c) 2.610E+06 m/s
-d) 2.871E+06 m/s
-e) 3.158E+06 m/s

### QB:Ch 7:V2

QB153099154207

1) Calculate the final speed of a free electron accelerated from rest through a potential difference of 45 V.

a) 3.288E+06 m/s
b) 3.617E+06 m/s
c) 3.979E+06 m/s
d) 4.376E+06 m/s
e) 4.814E+06 m/s
2)
Four charges lie at the corners of a 2 cm by 2 cm square as shown (i.e., a=b=2 cm.) The charges are q1=4 μC, q2=7 μC, q3=10 μC, and q4=12 μC. How much work was required to assemble these four charges from infinity?
a) 1.194E+02 J
b) 1.314E+02 J
c) 1.445E+02 J
d) 1.589E+02 J
e) 1.748E+02 J
3)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=3.85 cm. The dipole is centered at the origin and points in the y-direction as shown. What is the electric potential at the point (x=3.18 cm, y=1.93 cm)? Note that following the textbook's example, the y-value of the field point at 1.93 cm matches the disance of the positive charge above the x-axis.
a) 3.866E+02 V
b) 4.253E+02 V
c) 4.678E+02 V
d) 5.146E+02 V
e) 5.661E+02 V

#### KEY:QB:Ch 7:V2

QB153099154207

1) Calculate the final speed of a free electron accelerated from rest through a potential difference of 45 V.

-a) 3.288E+06 m/s
-b) 3.617E+06 m/s
+c) 3.979E+06 m/s
-d) 4.376E+06 m/s
-e) 4.814E+06 m/s
2)
Four charges lie at the corners of a 2 cm by 2 cm square as shown (i.e., a=b=2 cm.) The charges are q1=4 μC, q2=7 μC, q3=10 μC, and q4=12 μC. How much work was required to assemble these four charges from infinity?
-a) 1.194E+02 J
-b) 1.314E+02 J
-c) 1.445E+02 J
+d) 1.589E+02 J
-e) 1.748E+02 J
3)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=3.85 cm. The dipole is centered at the origin and points in the y-direction as shown. What is the electric potential at the point (x=3.18 cm, y=1.93 cm)? Note that following the textbook's example, the y-value of the field point at 1.93 cm matches the disance of the positive charge above the x-axis.
-a) 3.866E+02 V
-b) 4.253E+02 V
-c) 4.678E+02 V
+d) 5.146E+02 V
-e) 5.661E+02 V

### QB:Ch 8:V0

QB153099154207

1)
In the figure shown C1=18.1 μF, C2=2.89 μF, and C3=4.2 μF. The voltage source provides ε=9.19 V. What is the energy stored in C2?
a) 1.303E+01 μJ
b) 1.434E+01 μJ
c) 1.577E+01 μJ
d) 1.735E+01 μJ
e) 1.908E+01 μJ
2)
In the figure shown C1=20.6 μF, C2=2.38 μF, and C3=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C1?
a) 5.474E+01 μC
b) 6.022E+01 μC
c) 6.624E+01 μC
d) 7.287E+01 μC
e) 8.015E+01 μC
3)
What is the net capacitance if C1=4.75 μF, C2=2.77 μF, and C3=2.47 μF in the configuration shown?
a) 4.220E+00 μF
b) 4.642E+00 μF
c) 5.106E+00 μF
d) 5.616E+00 μF
e) 6.178E+00 μF

#### KEY:QB:Ch 8:V0

QB153099154207

1)
In the figure shown C1=18.1 μF, C2=2.89 μF, and C3=4.2 μF. The voltage source provides ε=9.19 V. What is the energy stored in C2?
-a) 1.303E+01 μJ
-b) 1.434E+01 μJ
-c) 1.577E+01 μJ
-d) 1.735E+01 μJ
+e) 1.908E+01 μJ
2)
In the figure shown C1=20.6 μF, C2=2.38 μF, and C3=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C1?
-a) 5.474E+01 μC
-b) 6.022E+01 μC
-c) 6.624E+01 μC
+d) 7.287E+01 μC
-e) 8.015E+01 μC
3)
What is the net capacitance if C1=4.75 μF, C2=2.77 μF, and C3=2.47 μF in the configuration shown?
+a) 4.220E+00 μF
-b) 4.642E+00 μF
-c) 5.106E+00 μF
-d) 5.616E+00 μF
-e) 6.178E+00 μF

### QB:Ch 8:V1

QB153099154207

1)
What is the net capacitance if C1=4.75 μF, C2=2.77 μF, and C3=2.47 μF in the configuration shown?
a) 4.220E+00 μF
b) 4.642E+00 μF
c) 5.106E+00 μF
d) 5.616E+00 μF
e) 6.178E+00 μF
2)
In the figure shown C1=17.7 μF, C2=2.5 μF, and C3=5.0 μF. The voltage source provides ε=12.8 V. What is the charge on C1?
a) 5.066E+01 μC
b) 5.573E+01 μC
c) 6.130E+01 μC
d) 6.743E+01 μC
e) 7.417E+01 μC
3)
In the figure shown C1=19.2 μF, C2=2.71 μF, and C3=5.52 μF. The voltage source provides ε=15.0 V. What is the energy stored in C2?
a) 2.138E+01 μJ
b) 2.352E+01 μJ
c) 2.587E+01 μJ
d) 2.845E+01 μJ
e) 3.130E+01 μJ

#### KEY:QB:Ch 8:V1

QB153099154207

1)
What is the net capacitance if C1=4.75 μF, C2=2.77 μF, and C3=2.47 μF in the configuration shown?
+a) 4.220E+00 μF
-b) 4.642E+00 μF
-c) 5.106E+00 μF
-d) 5.616E+00 μF
-e) 6.178E+00 μF
2)
In the figure shown C1=17.7 μF, C2=2.5 μF, and C3=5.0 μF. The voltage source provides ε=12.8 V. What is the charge on C1?
-a) 5.066E+01 μC
-b) 5.573E+01 μC
-c) 6.130E+01 μC
+d) 6.743E+01 μC
-e) 7.417E+01 μC
3)
In the figure shown C1=19.2 μF, C2=2.71 μF, and C3=5.52 μF. The voltage source provides ε=15.0 V. What is the energy stored in C2?
-a) 2.138E+01 μJ
-b) 2.352E+01 μJ
-c) 2.587E+01 μJ
+d) 2.845E+01 μJ
-e) 3.130E+01 μJ

### QB:Ch 8:V2

QB153099154207

1)
What is the net capacitance if C1=3.97 μF, C2=3.51 μF, and C3=2.18 μF in the configuration shown?
a) 3.038E+00 μF
b) 3.341E+00 μF
c) 3.675E+00 μF
d) 4.043E+00 μF
e) 4.447E+00 μF
2)
In the figure shown C1=19.2 μF, C2=2.24 μF, and C3=4.93 μF. The voltage source provides ε=11.7 V. What is the energy stored in C2?
a) 1.303E+01 μJ
b) 1.434E+01 μJ
c) 1.577E+01 μJ
d) 1.735E+01 μJ
e) 1.908E+01 μJ
3)
In the figure shown C1=17.9 μF, C2=2.71 μF, and C3=4.14 μF. The voltage source provides ε=7.12 V. What is the charge on C1?
a) 3.527E+01 μC
b) 3.880E+01 μC
c) 4.268E+01 μC
d) 4.695E+01 μC
e) 5.164E+01 μC

#### KEY:QB:Ch 8:V2

QB153099154207

1)
What is the net capacitance if C1=3.97 μF, C2=3.51 μF, and C3=2.18 μF in the configuration shown?
-a) 3.038E+00 μF
-b) 3.341E+00 μF
-c) 3.675E+00 μF
+d) 4.043E+00 μF
-e) 4.447E+00 μF
2)
In the figure shown C1=19.2 μF, C2=2.24 μF, and C3=4.93 μF. The voltage source provides ε=11.7 V. What is the energy stored in C2?
-a) 1.303E+01 μJ
-b) 1.434E+01 μJ
-c) 1.577E+01 μJ
-d) 1.735E+01 μJ
+e) 1.908E+01 μJ
3)
In the figure shown C1=17.9 μF, C2=2.71 μF, and C3=4.14 μF. The voltage source provides ε=7.12 V. What is the charge on C1?
+a) 3.527E+01 μC
-b) 3.880E+01 μC
-c) 4.268E+01 μC
-d) 4.695E+01 μC
-e) 5.164E+01 μC

### QB:Ch 9:V0

QB153099154207

1) A DC winch moter draws 29 amps at 153 volts as it lifts a 4.780E+03 N weight at a constant speed of 0.691 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

a) 1.226E+00 Ω
b) 1.348E+00 Ω
c) 1.483E+00 Ω
d) 1.632E+00 Ω
e) 1.795E+00 Ω

2) Calculate the drift speed of electrons in a copper wire with a diameter of 5.19 mm carrying a 18.2 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

a) 5.321E-05 m/s
b) 5.853E-05 m/s
c) 6.439E-05 m/s
d) 7.083E-05 m/s
e) 7.791E-05 m/s

3) What is consumer cost to operate one 102−W incandescent bulb for 6 hours per day for 1 year (365 days) if the cost of electricity is $0.127 per kilowatt-hour? a)$2.131E+01
b) $2.345E+01 c)$2.579E+01
d) $2.837E+01 e)$3.121E+01

#### KEY:QB:Ch 9:V0

QB153099154207

1) A DC winch moter draws 29 amps at 153 volts as it lifts a 4.780E+03 N weight at a constant speed of 0.691 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

-a) 1.226E+00 Ω
+b) 1.348E+00 Ω
-c) 1.483E+00 Ω
-d) 1.632E+00 Ω
-e) 1.795E+00 Ω

2) Calculate the drift speed of electrons in a copper wire with a diameter of 5.19 mm carrying a 18.2 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

-a) 5.321E-05 m/s
-b) 5.853E-05 m/s
+c) 6.439E-05 m/s
-d) 7.083E-05 m/s
-e) 7.791E-05 m/s

3) What is consumer cost to operate one 102−W incandescent bulb for 6 hours per day for 1 year (365 days) if the cost of electricity is $0.127 per kilowatt-hour? -a)$2.131E+01
-b) $2.345E+01 -c)$2.579E+01
+d) $2.837E+01 -e)$3.121E+01

### QB:Ch 9:V1

QB153099154207

1) What is consumer cost to operate one 79−W incandescent bulb for 9 hours per day for 1 year (365 days) if the cost of electricity is $0.142 per kilowatt-hour? a)$2.517E+01
b) $2.769E+01 c)$3.046E+01
d) $3.350E+01 e)$3.685E+01

2) Calculate the drift speed of electrons in a copper wire with a diameter of 5.46 mm carrying a 8.19 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

a) 2.380E-05 m/s
b) 2.618E-05 m/s
c) 2.880E-05 m/s
d) 3.168E-05 m/s
e) 3.485E-05 m/s

3) A DC winch moter draws 20 amps at 175 volts as it lifts a 5.180E+03 N weight at a constant speed of 0.541 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

a) 1.744E+00 Ω
b) 1.918E+00 Ω
c) 2.110E+00 Ω
d) 2.321E+00 Ω
e) 2.553E+00 Ω

#### KEY:QB:Ch 9:V1

QB153099154207

1) What is consumer cost to operate one 79−W incandescent bulb for 9 hours per day for 1 year (365 days) if the cost of electricity is $0.142 per kilowatt-hour? -a)$2.517E+01
-b) $2.769E+01 -c)$3.046E+01
-d) $3.350E+01 +e)$3.685E+01

2) Calculate the drift speed of electrons in a copper wire with a diameter of 5.46 mm carrying a 8.19 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

-a) 2.380E-05 m/s
+b) 2.618E-05 m/s
-c) 2.880E-05 m/s
-d) 3.168E-05 m/s
-e) 3.485E-05 m/s

3) A DC winch moter draws 20 amps at 175 volts as it lifts a 5.180E+03 N weight at a constant speed of 0.541 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

+a) 1.744E+00 Ω
-b) 1.918E+00 Ω
-c) 2.110E+00 Ω
-d) 2.321E+00 Ω
-e) 2.553E+00 Ω

### QB:Ch 9:V2

QB153099154207

1) Calculate the drift speed of electrons in a copper wire with a diameter of 5.71 mm carrying a 7.54 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

a) 2.204E-05 m/s
b) 2.424E-05 m/s
c) 2.667E-05 m/s
d) 2.933E-05 m/s
e) 3.227E-05 m/s

2) A DC winch moter draws 13 amps at 159 volts as it lifts a 4.270E+03 N weight at a constant speed of 0.357 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

a) 3.211E+00 Ω
b) 3.532E+00 Ω
c) 3.885E+00 Ω
d) 4.273E+00 Ω
e) 4.701E+00 Ω

3) What is consumer cost to operate one 105−W incandescent bulb for 11 hours per day for 1 year (365 days) if the cost of electricity is $0.131 per kilowatt-hour? a)$5.021E+01
b) $5.523E+01 c)$6.075E+01
d) $6.682E+01 e)$7.351E+01

#### KEY:QB:Ch 9:V2

QB153099154207

1) Calculate the drift speed of electrons in a copper wire with a diameter of 5.71 mm carrying a 7.54 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

+a) 2.204E-05 m/s
-b) 2.424E-05 m/s
-c) 2.667E-05 m/s
-d) 2.933E-05 m/s
-e) 3.227E-05 m/s

2) A DC winch moter draws 13 amps at 159 volts as it lifts a 4.270E+03 N weight at a constant speed of 0.357 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

+a) 3.211E+00 Ω
-b) 3.532E+00 Ω
-c) 3.885E+00 Ω
-d) 4.273E+00 Ω
-e) 4.701E+00 Ω

3) What is consumer cost to operate one 105−W incandescent bulb for 11 hours per day for 1 year (365 days) if the cost of electricity is $0.131 per kilowatt-hour? -a)$5.021E+01
+b) $5.523E+01 -c)$6.075E+01
-d) $6.682E+01 -e)$7.351E+01

### QB:Ch 10:V0

QB153099154207

1)
Two sources of emf ε1=36.3 V, and ε2=12.9 V are oriented as shownin the circuit. The resistances are R1=4.28 kΩ and R2=1.58 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=4.16 mA and I4=1.2 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
a) 2.224E+00 mA
b) 2.446E+00 mA
c) 2.691E+00 mA
d) 2.960E+00 mA
e) 3.256E+00 mA
2)
The resistances in the figure shown are R1= 2.34 Ω, R2= 1.34 Ω, and R2= 2.94 Ω. V1 and V3 are text 0.609 V and 1.68 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.541 V. What is the absolute value of the current through R1?
a) 1.464E-01 A
b) 1.610E-01 A
c) 1.772E-01 A
d) 1.949E-01 A
e) 2.144E-01 A
3)
Two sources of emf ε1=14.3 V, and ε2=5.6 V are oriented as shownin the circuit. The resistances are R1=5.31 kΩ and R2=2.39 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=1.12 mA and I4=0.284 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
a) 3.416E+00 V
b) 3.757E+00 V
c) 4.133E+00 V
d) 4.546E+00 V
e) 5.001E+00 V

#### KEY:QB:Ch 10:V0

QB153099154207

1)
Two sources of emf ε1=36.3 V, and ε2=12.9 V are oriented as shownin the circuit. The resistances are R1=4.28 kΩ and R2=1.58 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=4.16 mA and I4=1.2 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
-a) 2.224E+00 mA
-b) 2.446E+00 mA
-c) 2.691E+00 mA
+d) 2.960E+00 mA
-e) 3.256E+00 mA
2)
The resistances in the figure shown are R1= 2.34 Ω, R2= 1.34 Ω, and R2= 2.94 Ω. V1 and V3 are text 0.609 V and 1.68 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.541 V. What is the absolute value of the current through R1?
-a) 1.464E-01 A
+b) 1.610E-01 A
-c) 1.772E-01 A
-d) 1.949E-01 A
-e) 2.144E-01 A
3)
Two sources of emf ε1=14.3 V, and ε2=5.6 V are oriented as shownin the circuit. The resistances are R1=5.31 kΩ and R2=2.39 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=1.12 mA and I4=0.284 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
-a) 3.416E+00 V
-b) 3.757E+00 V
-c) 4.133E+00 V
+d) 4.546E+00 V
-e) 5.001E+00 V

### QB:Ch 10:V1

QB153099154207

1)
Two sources of emf ε1=40.6 V, and ε2=13.5 V are oriented as shownin the circuit. The resistances are R1=4.35 kΩ and R2=2.44 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.73 mA and I4=0.78 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
a) 1.332E+00 mA
b) 1.465E+00 mA
c) 1.612E+00 mA
d) 1.773E+00 mA
e) 1.950E+00 mA
2)
The resistances in the figure shown are R1= 1.1 Ω, R2= 1.55 Ω, and R2= 2.11 Ω. V1 and V3 are text 0.545 V and 3.22 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.744 V. What is the absolute value of the current through R1?
a) 1.886E-01 A
b) 2.075E-01 A
c) 2.282E-01 A
d) 2.510E-01 A
e) 2.761E-01 A
3)
Two sources of emf ε1=24.4 V, and ε2=6.73 V are oriented as shownin the circuit. The resistances are R1=5.7 kΩ and R2=1.95 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.36 mA and I4=0.418 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
a) 5.418E+00 V
b) 5.960E+00 V
c) 6.556E+00 V
d) 7.212E+00 V
e) 7.933E+00 V

#### KEY:QB:Ch 10:V1

QB153099154207

1)
Two sources of emf ε1=40.6 V, and ε2=13.5 V are oriented as shownin the circuit. The resistances are R1=4.35 kΩ and R2=2.44 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.73 mA and I4=0.78 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
-a) 1.332E+00 mA
-b) 1.465E+00 mA
-c) 1.612E+00 mA
-d) 1.773E+00 mA
+e) 1.950E+00 mA
2)
The resistances in the figure shown are R1= 1.1 Ω, R2= 1.55 Ω, and R2= 2.11 Ω. V1 and V3 are text 0.545 V and 3.22 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.744 V. What is the absolute value of the current through R1?
-a) 1.886E-01 A
+b) 2.075E-01 A
-c) 2.282E-01 A
-d) 2.510E-01 A
-e) 2.761E-01 A
3)
Two sources of emf ε1=24.4 V, and ε2=6.73 V are oriented as shownin the circuit. The resistances are R1=5.7 kΩ and R2=1.95 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.36 mA and I4=0.418 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
-a) 5.418E+00 V
-b) 5.960E+00 V
-c) 6.556E+00 V
-d) 7.212E+00 V
+e) 7.933E+00 V

### QB:Ch 10:V2

QB153099154207

1)
The resistances in the figure shown are R1= 2.54 Ω, R2= 1.15 Ω, and R2= 2.9 Ω. V1 and V3 are text 0.446 V and 3.39 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.744 V. What is the absolute value of the current through R1?
a) 1.285E-01 A
b) 1.414E-01 A
c) 1.555E-01 A
d) 1.711E-01 A
e) 1.882E-01 A
2)
Two sources of emf ε1=31.0 V, and ε2=10.0 V are oriented as shownin the circuit. The resistances are R1=4.22 kΩ and R2=1.37 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=3.32 mA and I4=1.03 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
a) 2.290E+00 mA
b) 2.519E+00 mA
c) 2.771E+00 mA
d) 3.048E+00 mA
e) 3.353E+00 mA
3)
Two sources of emf ε1=24.4 V, and ε2=6.73 V are oriented as shownin the circuit. The resistances are R1=5.7 kΩ and R2=1.95 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.36 mA and I4=0.418 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
a) 5.418E+00 V
b) 5.960E+00 V
c) 6.556E+00 V
d) 7.212E+00 V
e) 7.933E+00 V

#### KEY:QB:Ch 10:V2

QB153099154207

1)
The resistances in the figure shown are R1= 2.54 Ω, R2= 1.15 Ω, and R2= 2.9 Ω. V1 and V3 are text 0.446 V and 3.39 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.744 V. What is the absolute value of the current through R1?
+a) 1.285E-01 A
-b) 1.414E-01 A
-c) 1.555E-01 A
-d) 1.711E-01 A
-e) 1.882E-01 A
2)
Two sources of emf ε1=31.0 V, and ε2=10.0 V are oriented as shownin the circuit. The resistances are R1=4.22 kΩ and R2=1.37 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=3.32 mA and I4=1.03 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
+a) 2.290E+00 mA
-b) 2.519E+00 mA
-c) 2.771E+00 mA
-d) 3.048E+00 mA
-e) 3.353E+00 mA
3)
Two sources of emf ε1=24.4 V, and ε2=6.73 V are oriented as shownin the circuit. The resistances are R1=5.7 kΩ and R2=1.95 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.36 mA and I4=0.418 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
-a) 5.418E+00 V
-b) 5.960E+00 V
-c) 6.556E+00 V
-d) 7.212E+00 V
+e) 7.933E+00 V

### QB:Ch 11:V0

QB153099154207

1) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 3.43 mT and 4.670E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

a) 1.362E+06 m/s
b) 1.498E+06 m/s
c) 1.647E+06 m/s
d) 1.812E+06 m/s
e) 1.993E+06 m/s

2) A charged particle in a magnetic field of 3.410E-04 T is moving perpendicular to the magnetic field with a speed of 5.010E+05 m/s. What is the period of orbit if orbital radius is 0.508 m?

a) 5.792E-06 s
b) 6.371E-06 s
c) 7.008E-06 s
d) 7.709E-06 s
e) 8.480E-06 s

3) A 76 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 13 g, and the magnitude of the magnetic field is 0.367 T. What current is required to maintain this balance?

a) 3.432E-01 A
b) 3.775E-01 A
c) 4.152E-01 A
d) 4.568E-01 A
e) 5.024E-01 A

#### KEY:QB:Ch 11:V0

QB153099154207

1) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 3.43 mT and 4.670E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

+a) 1.362E+06 m/s
-b) 1.498E+06 m/s
-c) 1.647E+06 m/s
-d) 1.812E+06 m/s
-e) 1.993E+06 m/s

2) A charged particle in a magnetic field of 3.410E-04 T is moving perpendicular to the magnetic field with a speed of 5.010E+05 m/s. What is the period of orbit if orbital radius is 0.508 m?

-a) 5.792E-06 s
+b) 6.371E-06 s
-c) 7.008E-06 s
-d) 7.709E-06 s
-e) 8.480E-06 s

3) A 76 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 13 g, and the magnitude of the magnetic field is 0.367 T. What current is required to maintain this balance?

-a) 3.432E-01 A
-b) 3.775E-01 A
-c) 4.152E-01 A
+d) 4.568E-01 A
-e) 5.024E-01 A

### QB:Ch 11:V1

QB153099154207

1) A 57 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 7 g, and the magnitude of the magnetic field is 0.447 T. What current is required to maintain this balance?

a) 2.225E-01 A
b) 2.448E-01 A
c) 2.692E-01 A
d) 2.962E-01 A
e) 3.258E-01 A

2) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 4.96 mT and 2.010E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

a) 2.768E+05 m/s
b) 3.045E+05 m/s
c) 3.349E+05 m/s
d) 3.684E+05 m/s
e) 4.052E+05 m/s

3) A charged particle in a magnetic field of 4.480E-04 T is moving perpendicular to the magnetic field with a speed of 7.700E+05 m/s. What is the period of orbit if orbital radius is 0.368 m?

a) 2.730E-06 s
b) 3.003E-06 s
c) 3.303E-06 s
d) 3.633E-06 s
e) 3.997E-06 s

#### KEY:QB:Ch 11:V1

QB153099154207

1) A 57 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 7 g, and the magnitude of the magnetic field is 0.447 T. What current is required to maintain this balance?

-a) 2.225E-01 A
-b) 2.448E-01 A
+c) 2.692E-01 A
-d) 2.962E-01 A
-e) 3.258E-01 A

2) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 4.96 mT and 2.010E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

-a) 2.768E+05 m/s
-b) 3.045E+05 m/s
-c) 3.349E+05 m/s
-d) 3.684E+05 m/s
+e) 4.052E+05 m/s

3) A charged particle in a magnetic field of 4.480E-04 T is moving perpendicular to the magnetic field with a speed of 7.700E+05 m/s. What is the period of orbit if orbital radius is 0.368 m?

-a) 2.730E-06 s
+b) 3.003E-06 s
-c) 3.303E-06 s
-d) 3.633E-06 s
-e) 3.997E-06 s

### QB:Ch 11:V2

QB153099154207

1) A charged particle in a magnetic field of 2.740E-04 T is moving perpendicular to the magnetic field with a speed of 1.390E+05 m/s. What is the period of orbit if orbital radius is 0.776 m?

a) 2.899E-05 s
b) 3.189E-05 s
c) 3.508E-05 s
d) 3.859E-05 s
e) 4.244E-05 s

2) A 34 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 8 g, and the magnitude of the magnetic field is 0.348 T. What current is required to maintain this balance?

a) 6.626E-01 A
b) 7.289E-01 A
c) 8.018E-01 A
d) 8.819E-01 A
e) 9.701E-01 A

3) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 4.66 mT and 2.860E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

a) 5.072E+05 m/s
b) 5.579E+05 m/s
c) 6.137E+05 m/s
d) 6.751E+05 m/s
e) 7.426E+05 m/s

#### KEY:QB:Ch 11:V2

QB153099154207

1) A charged particle in a magnetic field of 2.740E-04 T is moving perpendicular to the magnetic field with a speed of 1.390E+05 m/s. What is the period of orbit if orbital radius is 0.776 m?

-a) 2.899E-05 s
-b) 3.189E-05 s
+c) 3.508E-05 s
-d) 3.859E-05 s
-e) 4.244E-05 s

2) A 34 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 8 g, and the magnitude of the magnetic field is 0.348 T. What current is required to maintain this balance?

+a) 6.626E-01 A
-b) 7.289E-01 A
-c) 8.018E-01 A
-d) 8.819E-01 A
-e) 9.701E-01 A

3) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 4.66 mT and 2.860E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

-a) 5.072E+05 m/s
-b) 5.579E+05 m/s
+c) 6.137E+05 m/s
-d) 6.751E+05 m/s
-e) 7.426E+05 m/s

### QB:Ch 12:V0

QB153099154207

1)
Three wires sit at the corners of a square of length 0.532 cm. The currents all are in the positive-z direction (i.e. all come out of the paper in the figure shown.) The currents (I1, I2, I2) are (1.11 A, 1.25 A, 2.27 A), respectively. What is the y-component of the magnetic field at point P?
a) By= 5.930E-05 T
b) By= 6.523E-05 T
c) By= 7.175E-05 T
d) By= 7.892E-05 T
e) By= 8.682E-05 T

2) A solenoid has 7.170E+04 turns wound around a cylinder of diameter 1.56 cm and length 9 m. The current through the coils is 0.391 A. Define the origin to be the center of the solenoid and neglect end effects as you calculate the line integral ${\displaystyle \int {\vec {B}}\cdot {\vec {\ell }}}$ alongthe axis from z=−2.73 cm to z=+2.56 cm

a) 1.414E-04 T-m
b) 1.556E-04 T-m
c) 1.711E-04 T-m
d) 1.882E-04 T-m
e) 2.071E-04 T-m

3) Two loops of wire carry the same current of 66 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.485 m while the other has a radius of 1.27 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.507 m from the first (smaller) loopif the disance between the loops is 1.76 m?

a) 2.733E-02 T
b) 3.007E-02 T
c) 3.307E-02 T
d) 3.638E-02 T
e) 4.002E-02 T

#### KEY:QB:Ch 12:V0

QB153099154207

1)
Three wires sit at the corners of a square of length 0.532 cm. The currents all are in the positive-z direction (i.e. all come out of the paper in the figure shown.) The currents (I1, I2, I2) are (1.11 A, 1.25 A, 2.27 A), respectively. What is the y-component of the magnetic field at point P?
-a) By= 5.930E-05 T
+b) By= 6.523E-05 T
-c) By= 7.175E-05 T
-d) By= 7.892E-05 T
-e) By= 8.682E-05 T

2) A solenoid has 7.170E+04 turns wound around a cylinder of diameter 1.56 cm and length 9 m. The current through the coils is 0.391 A. Define the origin to be the center of the solenoid and neglect end effects as you calculate the line integral ${\displaystyle \int {\vec {B}}\cdot {\vec {\ell }}}$ alongthe axis from z=−2.73 cm to z=+2.56 cm

-a) 1.414E-04 T-m
-b) 1.556E-04 T-m
-c) 1.711E-04 T-m
-d) 1.882E-04 T-m
+e) 2.071E-04 T-m

3) Two loops of wire carry the same current of 66 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.485 m while the other has a radius of 1.27 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.507 m from the first (smaller) loopif the disance between the loops is 1.76 m?

-a) 2.733E-02 T
-b) 3.007E-02 T
-c) 3.307E-02 T
-d) 3.638E-02 T
+e) 4.002E-02 T

### QB:Ch 12:V1

QB153099154207

1)
Three wires sit at the corners of a square of length 0.591 cm. The currents all are in the positive-z direction (i.e. all come out of the paper in the figure shown.) The currents (I1, I2, I2) are (2.47 A, 2.1 A, 2.24 A), respectively. What is the y-component of the magnetic field at point P?
a) By= 1.191E-04 T
b) By= 1.310E-04 T
c) By= 1.441E-04 T
d) By= 1.585E-04 T
e) By= 1.744E-04 T

2) A solenoid has 5.500E+04 turns wound around a cylinder of diameter 1.45 cm and length 15 m. The current through the coils is 0.395 A. Define the origin to be the center of the solenoid and neglect end effects as you calculate the line integral ${\displaystyle \int {\vec {B}}\cdot {\vec {\ell }}}$ alongthe axis from z=−4.19 cm to z=+2.16 cm

a) 7.894E-05 T-m
b) 8.683E-05 T-m
c) 9.551E-05 T-m
d) 1.051E-04 T-m
e) 1.156E-04 T-m

3) Two loops of wire carry the same current of 64 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.838 m while the other has a radius of 1.17 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.528 m from the first (smaller) loopif the disance between the loops is 1.62 m?

a) 3.863E-02 T
b) 4.249E-02 T
c) 4.674E-02 T
d) 5.141E-02 T
e) 5.655E-02 T

#### KEY:QB:Ch 12:V1

QB153099154207

1)
Three wires sit at the corners of a square of length 0.591 cm. The currents all are in the positive-z direction (i.e. all come out of the paper in the figure shown.) The currents (I1, I2, I2) are (2.47 A, 2.1 A, 2.24 A), respectively. What is the y-component of the magnetic field at point P?
+a) By= 1.191E-04 T
-b) By= 1.310E-04 T
-c) By= 1.441E-04 T
-d) By= 1.585E-04 T
-e) By= 1.744E-04 T

2) A solenoid has 5.500E+04 turns wound around a cylinder of diameter 1.45 cm and length 15 m. The current through the coils is 0.395 A. Define the origin to be the center of the solenoid and neglect end effects as you calculate the line integral ${\displaystyle \int {\vec {B}}\cdot {\vec {\ell }}}$ alongthe axis from z=−4.19 cm to z=+2.16 cm

-a) 7.894E-05 T-m
-b) 8.683E-05 T-m
-c) 9.551E-05 T-m
-d) 1.051E-04 T-m
+e) 1.156E-04 T-m

3) Two loops of wire carry the same current of 64 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.838 m while the other has a radius of 1.17 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.528 m from the first (smaller) loopif the disance between the loops is 1.62 m?

-a) 3.863E-02 T
+b) 4.249E-02 T
-c) 4.674E-02 T
-d) 5.141E-02 T
-e) 5.655E-02 T

### QB:Ch 12:V2

QB153099154207

1)
Three wires sit at the corners of a square of length 0.865 cm. The currents all are in the positive-z direction (i.e. all come out of the paper in the figure shown.) The currents (I1, I2, I2) are (1.62 A, 2.13 A, 2.2 A), respectively. What is the y-component of the magnetic field at point P?
a) By= 5.131E-05 T
b) By= 5.644E-05 T
c) By= 6.208E-05 T
d) By= 6.829E-05 T
e) By= 7.512E-05 T

2) A solenoid has 9.880E+04 turns wound around a cylinder of diameter 1.5 cm and length 15 m. The current through the coils is 0.981 A. Define the origin to be the center of the solenoid and neglect end effects as you calculate the line integral ${\displaystyle \int {\vec {B}}\cdot {\vec {\ell }}}$ alongthe axis from z=−1.56 cm to z=+3.22 cm

a) 2.916E-04 T-m
b) 3.208E-04 T-m
c) 3.528E-04 T-m
d) 3.881E-04 T-m
e) 4.269E-04 T-m

3) Two loops of wire carry the same current of 29 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.76 m while the other has a radius of 1.12 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.544 m from the first (smaller) loopif the disance between the loops is 1.56 m?

a) 1.950E-02 T
b) 2.145E-02 T
c) 2.360E-02 T
d) 2.596E-02 T
e) 2.855E-02 T

#### KEY:QB:Ch 12:V2

QB153099154207

1)
Three wires sit at the corners of a square of length 0.865 cm. The currents all are in the positive-z direction (i.e. all come out of the paper in the figure shown.) The currents (I1, I2, I2) are (1.62 A, 2.13 A, 2.2 A), respectively. What is the y-component of the magnetic field at point P?
-a) By= 5.131E-05 T
-b) By= 5.644E-05 T
+c) By= 6.208E-05 T
-d) By= 6.829E-05 T
-e) By= 7.512E-05 T

2) A solenoid has 9.880E+04 turns wound around a cylinder of diameter 1.5 cm and length 15 m. The current through the coils is 0.981 A. Define the origin to be the center of the solenoid and neglect end effects as you calculate the line integral ${\displaystyle \int {\vec {B}}\cdot {\vec {\ell }}}$ alongthe axis from z=−1.56 cm to z=+3.22 cm

-a) 2.916E-04 T-m
-b) 3.208E-04 T-m
-c) 3.528E-04 T-m
+d) 3.881E-04 T-m
-e) 4.269E-04 T-m

3) Two loops of wire carry the same current of 29 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.76 m while the other has a radius of 1.12 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.544 m from the first (smaller) loopif the disance between the loops is 1.56 m?

+a) 1.950E-02 T
-b) 2.145E-02 T
-c) 2.360E-02 T
-d) 2.596E-02 T
-e) 2.855E-02 T

### QB:Ch 13:V0

QB153099154207

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.477 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.67)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$8.01 s. What is the current in the coil if the impedance of the coil is 75.6 Ω?

a) 2.215E-01 A
b) 2.437E-01 A
c) 2.681E-01 A
d) 2.949E-01 A
e) 3.244E-01 A

2) A long solenoid has a radius of 0.887 m and 43 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$7 A and ${\displaystyle \alpha =}$28 s−1.What is the induced electric fied at a distance 2.66 m from the axis at time t=0.0332 s ?

a) 6.182E-04 V/m
b) 6.801E-04 V/m
c) 7.481E-04 V/m
d) 8.229E-04 V/m
e) 9.052E-04 V/m
3)
A cylinder of height 2.58 cm and radius 9.47 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 3.62 cm from point O and moves at a speed of 4.7 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
a) 1.128E+02 cm3/s
b) 1.241E+02 cm3/s
c) 1.365E+02 cm3/s
d) 1.502E+02 cm3/s
e) 1.652E+02 cm3/s

#### KEY:QB:Ch 13:V0

QB153099154207

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.477 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.67)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$8.01 s. What is the current in the coil if the impedance of the coil is 75.6 Ω?

-a) 2.215E-01 A
+b) 2.437E-01 A
-c) 2.681E-01 A
-d) 2.949E-01 A
-e) 3.244E-01 A

2) A long solenoid has a radius of 0.887 m and 43 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$7 A and ${\displaystyle \alpha =}$28 s−1.What is the induced electric fied at a distance 2.66 m from the axis at time t=0.0332 s ?

+a) 6.182E-04 V/m
-b) 6.801E-04 V/m
-c) 7.481E-04 V/m
-d) 8.229E-04 V/m
-e) 9.052E-04 V/m
3)
A cylinder of height 2.58 cm and radius 9.47 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 3.62 cm from point O and moves at a speed of 4.7 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
-a) 1.128E+02 cm3/s
-b) 1.241E+02 cm3/s
-c) 1.365E+02 cm3/s
+d) 1.502E+02 cm3/s
-e) 1.652E+02 cm3/s

### QB:Ch 13:V1

QB153099154207

1) A long solenoid has a radius of 0.394 m and 13 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$9 A and ${\displaystyle \alpha =}$28 s−1.What is the induced electric fied at a distance 1.8 m from the axis at time t=0.0757 s ?

a) 2.132E-05 V/m
b) 2.345E-05 V/m
c) 2.579E-05 V/m
d) 2.837E-05 V/m
e) 3.121E-05 V/m
2)
A cylinder of height 1.34 cm and radius 2.47 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.23 cm from point O and moves at a speed of 6.23 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
a) 1.414E+01 cm3/s
b) 1.556E+01 cm3/s
c) 1.711E+01 cm3/s
d) 1.882E+01 cm3/s
e) 2.070E+01 cm3/s

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.706 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (3.01)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$9.53 s. What is the current in the coil if the impedance of the coil is 27.4 Ω?

a) 6.149E-01 A
b) 6.763E-01 A
c) 7.440E-01 A
d) 8.184E-01 A
e) 9.002E-01 A

#### KEY:QB:Ch 13:V1

QB153099154207

1) A long solenoid has a radius of 0.394 m and 13 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$9 A and ${\displaystyle \alpha =}$28 s−1.What is the induced electric fied at a distance 1.8 m from the axis at time t=0.0757 s ?

+a) 2.132E-05 V/m
-b) 2.345E-05 V/m
-c) 2.579E-05 V/m
-d) 2.837E-05 V/m
-e) 3.121E-05 V/m
2)
A cylinder of height 1.34 cm and radius 2.47 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.23 cm from point O and moves at a speed of 6.23 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
-a) 1.414E+01 cm3/s
-b) 1.556E+01 cm3/s
-c) 1.711E+01 cm3/s
-d) 1.882E+01 cm3/s
+e) 2.070E+01 cm3/s

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.706 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (3.01)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$9.53 s. What is the current in the coil if the impedance of the coil is 27.4 Ω?

-a) 6.149E-01 A
-b) 6.763E-01 A
-c) 7.440E-01 A
+d) 8.184E-01 A
-e) 9.002E-01 A

### QB:Ch 13:V2

QB153099154207

1)
A cylinder of height 2.12 cm and radius 2.28 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.52 cm from point O and moves at a speed of 8.21 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
a) 2.976E+01 cm3/s
b) 3.274E+01 cm3/s
c) 3.601E+01 cm3/s
d) 3.961E+01 cm3/s
e) 4.358E+01 cm3/s

2) A long solenoid has a radius of 0.644 m and 20 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$7 A and ${\displaystyle \alpha =}$27 s−1.What is the induced electric fied at a distance 2.84 m from the axis at time t=0.083 s ?

a) 3.353E-05 V/m
b) 3.689E-05 V/m
c) 4.058E-05 V/m
d) 4.463E-05 V/m
e) 4.910E-05 V/m

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.869 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.01)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$5.66 s. What is the current in the coil if the impedance of the coil is 32.8 Ω?

a) 9.191E-01 A
b) 1.011E+00 A
c) 1.112E+00 A
d) 1.223E+00 A
e) 1.346E+00 A

#### KEY:QB:Ch 13:V2

QB153099154207

1)
A cylinder of height 2.12 cm and radius 2.28 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.52 cm from point O and moves at a speed of 8.21 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
+a) 2.976E+01 cm3/s
-b) 3.274E+01 cm3/s
-c) 3.601E+01 cm3/s
-d) 3.961E+01 cm3/s
-e) 4.358E+01 cm3/s

2) A long solenoid has a radius of 0.644 m and 20 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$7 A and ${\displaystyle \alpha =}$27 s−1.What is the induced electric fied at a distance 2.84 m from the axis at time t=0.083 s ?

-a) 3.353E-05 V/m
+b) 3.689E-05 V/m
-c) 4.058E-05 V/m
-d) 4.463E-05 V/m
-e) 4.910E-05 V/m

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.869 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.01)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$5.66 s. What is the current in the coil if the impedance of the coil is 32.8 Ω?

-a) 9.191E-01 A
-b) 1.011E+00 A
+c) 1.112E+00 A
-d) 1.223E+00 A
-e) 1.346E+00 A

### QB:Ch 14:V0

QB153099154207

1) A washer has an inner diameter of 2.74 cm and an outer diamter of 4.71 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=3.9mm}$, and ${\displaystyle n=2.85}$. What is the volume of the washer?

a) 8.141E-01 cm3
b) 8.955E-01 cm3
c) 9.850E-01 cm3
d) 1.084E+00 cm3
e) 1.192E+00 cm3

2) An induced emf of 5.4V is measured across a coil of 95 closely wound turns while the current throuth it increases uniformly from 0.0 to 7.03A in 0.713s. What is the self-inductance of the coil?

a) 5.477E-01 H
b) 6.024E-01 H
c) 6.627E-01 H
d) 7.290E-01 H
e) 8.019E-01 H
3)
Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is opened as as S2 is closed. How long will it take for the energy stored in the inductor to be reduced to 1.96% of its maximum value if ε = 2.64 V , R = 6.37 Ω, and L = 7.33 H?
a) -1.700E+00 s
b) -1.870E+00 s
c) -2.057E+00 s
d) -2.262E+00 s
e) -2.489E+00 s

#### KEY:QB:Ch 14:V0

QB153099154207

1) A washer has an inner diameter of 2.74 cm and an outer diamter of 4.71 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=3.9mm}$, and ${\displaystyle n=2.85}$. What is the volume of the washer?

+a) 8.141E-01 cm3
-b) 8.955E-01 cm3
-c) 9.850E-01 cm3
-d) 1.084E+00 cm3
-e) 1.192E+00 cm3

2) An induced emf of 5.4V is measured across a coil of 95 closely wound turns while the current throuth it increases uniformly from 0.0 to 7.03A in 0.713s. What is the self-inductance of the coil?

+a) 5.477E-01 H
-b) 6.024E-01 H
-c) 6.627E-01 H
-d) 7.290E-01 H
-e) 8.019E-01 H
3)
Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is opened as as S2 is closed. How long will it take for the energy stored in the inductor to be reduced to 1.96% of its maximum value if ε = 2.64 V , R = 6.37 Ω, and L = 7.33 H?
-a) -1.700E+00 s
-b) -1.870E+00 s
-c) -2.057E+00 s
+d) -2.262E+00 s
-e) -2.489E+00 s

### QB:Ch 14:V1

QB153099154207

1)
Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is opened as as S2 is closed. How long will it take for the energy stored in the inductor to be reduced to 2.69% of its maximum value if ε = 4.79 V , R = 4.18 Ω, and L = 2.7 H?
a) -8.773E-01 s
b) -9.651E-01 s
c) -1.062E+00 s
d) -1.168E+00 s
e) -1.284E+00 s

2) A washer has an inner diameter of 2.38 cm and an outer diamter of 4.83 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=3.92mm}$, and ${\displaystyle n=2.68}$. What is the volume of the washer?

a) 1.118E+00 cm3
b) 1.229E+00 cm3
c) 1.352E+00 cm3
d) 1.487E+00 cm3
e) 1.636E+00 cm3

3) An induced emf of 5.33V is measured across a coil of 77 closely wound turns while the current throuth it increases uniformly from 0.0 to 6.57A in 0.648s. What is the self-inductance of the coil?

a) 4.779E-01 H
b) 5.257E-01 H
c) 5.783E-01 H
d) 6.361E-01 H
e) 6.997E-01 H

#### KEY:QB:Ch 14:V1

QB153099154207

1)
Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is opened as as S2 is closed. How long will it take for the energy stored in the inductor to be reduced to 2.69% of its maximum value if ε = 4.79 V , R = 4.18 Ω, and L = 2.7 H?
-a) -8.773E-01 s
-b) -9.651E-01 s
-c) -1.062E+00 s
+d) -1.168E+00 s
-e) -1.284E+00 s

2) A washer has an inner diameter of 2.38 cm and an outer diamter of 4.83 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=3.92mm}$, and ${\displaystyle n=2.68}$. What is the volume of the washer?

-a) 1.118E+00 cm3
+b) 1.229E+00 cm3
-c) 1.352E+00 cm3
-d) 1.487E+00 cm3
-e) 1.636E+00 cm3

3) An induced emf of 5.33V is measured across a coil of 77 closely wound turns while the current throuth it increases uniformly from 0.0 to 6.57A in 0.648s. What is the self-inductance of the coil?

-a) 4.779E-01 H
+b) 5.257E-01 H
-c) 5.783E-01 H
-d) 6.361E-01 H
-e) 6.997E-01 H

### QB:Ch 14:V2

QB153099154207

1)
Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is opened as as S2 is closed. How long will it take for the energy stored in the inductor to be reduced to 2.54% of its maximum value if ε = 2.46 V , R = 2.8 Ω, and L = 5.67 H?
a) -2.540E+00 s
b) -2.794E+00 s
c) -3.073E+00 s
d) -3.381E+00 s
e) -3.719E+00 s

2) An induced emf of 7.48V is measured across a coil of 95 closely wound turns while the current throuth it increases uniformly from 0.0 to 5.33A in 0.304s. What is the self-inductance of the coil?

a) 2.914E-01 H
b) 3.205E-01 H
c) 3.526E-01 H
d) 3.878E-01 H
e) 4.266E-01 H

3) A washer has an inner diameter of 2.3 cm and an outer diamter of 4.44 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.31mm}$, and ${\displaystyle n=2.66}$. What is the volume of the washer?

a) 1.089E+00 cm3
b) 1.198E+00 cm3
c) 1.318E+00 cm3
d) 1.449E+00 cm3
e) 1.594E+00 cm3

#### KEY:QB:Ch 14:V2

QB153099154207

1)
Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is opened as as S2 is closed. How long will it take for the energy stored in the inductor to be reduced to 2.54% of its maximum value if ε = 2.46 V , R = 2.8 Ω, and L = 5.67 H?
-a) -2.540E+00 s
-b) -2.794E+00 s
-c) -3.073E+00 s
-d) -3.381E+00 s
+e) -3.719E+00 s

2) An induced emf of 7.48V is measured across a coil of 95 closely wound turns while the current throuth it increases uniformly from 0.0 to 5.33A in 0.304s. What is the self-inductance of the coil?

-a) 2.914E-01 H
-b) 3.205E-01 H
-c) 3.526E-01 H
-d) 3.878E-01 H
+e) 4.266E-01 H

3) A washer has an inner diameter of 2.3 cm and an outer diamter of 4.44 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.31mm}$, and ${\displaystyle n=2.66}$. What is the volume of the washer?

-a) 1.089E+00 cm3
-b) 1.198E+00 cm3
+c) 1.318E+00 cm3
-d) 1.449E+00 cm3
-e) 1.594E+00 cm3

### QB:Ch 15:V0

QB153099154207

1) The output of an ac generator connected to an RLC series combination has a frequency of 300 Hz and an amplitude of 0.76 V;. If R =5 Ω, L= 6.10E-03H , and C=5.80E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

2) A step-down transformer steps 7 kV down to 190 V. The high-voltage input is provided by a 240 Ω power line that carries 5 A of currentWhat is the output current (at the 190 V side ?)

a) 1.675E+02 A
b) 1.842E+02 A
c) 2.026E+02 A
d) 2.229E+02 A
e) 2.452E+02 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.88 V. The resistance, inductance, and capacitance are R =7 Ω, L= 8.00E-03H , and C=5.50E-04 F, respectively. What is the amplitude of the current?

a) 1.143E-01 A
b) 1.257E-01 A
c) 1.383E-01 A
d) 1.521E-01 A
e) 1.673E-01 A

#### KEY:QB:Ch 15:V0

QB153099154207

1) The output of an ac generator connected to an RLC series combination has a frequency of 300 Hz and an amplitude of 0.76 V;. If R =5 Ω, L= 6.10E-03H , and C=5.80E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

2) A step-down transformer steps 7 kV down to 190 V. The high-voltage input is provided by a 240 Ω power line that carries 5 A of currentWhat is the output current (at the 190 V side ?)

-a) 1.675E+02 A
+b) 1.842E+02 A
-c) 2.026E+02 A
-d) 2.229E+02 A
-e) 2.452E+02 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.88 V. The resistance, inductance, and capacitance are R =7 Ω, L= 8.00E-03H , and C=5.50E-04 F, respectively. What is the amplitude of the current?

-a) 1.143E-01 A
+b) 1.257E-01 A
-c) 1.383E-01 A
-d) 1.521E-01 A
-e) 1.673E-01 A

### QB:Ch 15:V1

QB153099154207

1) The output of an ac generator connected to an RLC series combination has a frequency of 320 Hz and an amplitude of 0.69 V;. If R =6 Ω, L= 6.80E-03H , and C=9.40E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

2) A step-down transformer steps 15 kV down to 240 V. The high-voltage input is provided by a 120 Ω power line that carries 3 A of currentWhat is the output current (at the 240 V side ?)

a) 1.550E+02 A
b) 1.705E+02 A
c) 1.875E+02 A
d) 2.063E+02 A
e) 2.269E+02 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.75 V. The resistance, inductance, and capacitance are R =5 Ω, L= 9.90E-03H , and C=6.80E-04 F, respectively. What is the amplitude of the current?

a) 1.240E-01 A
b) 1.364E-01 A
c) 1.500E-01 A
d) 1.650E-01 A
e) 1.815E-01 A

#### KEY:QB:Ch 15:V1

QB153099154207

1) The output of an ac generator connected to an RLC series combination has a frequency of 320 Hz and an amplitude of 0.69 V;. If R =6 Ω, L= 6.80E-03H , and C=9.40E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

2) A step-down transformer steps 15 kV down to 240 V. The high-voltage input is provided by a 120 Ω power line that carries 3 A of currentWhat is the output current (at the 240 V side ?)

-a) 1.550E+02 A
-b) 1.705E+02 A
+c) 1.875E+02 A
-d) 2.063E+02 A
-e) 2.269E+02 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.75 V. The resistance, inductance, and capacitance are R =5 Ω, L= 9.90E-03H , and C=6.80E-04 F, respectively. What is the amplitude of the current?

-a) 1.240E-01 A
-b) 1.364E-01 A
+c) 1.500E-01 A
-d) 1.650E-01 A
-e) 1.815E-01 A

### QB:Ch 15:V2

QB153099154207

1) The output of an ac generator connected to an RLC series combination has a frequency of 480 Hz and an amplitude of 0.63 V;. If R =7 Ω, L= 3.80E-03H , and C=5.30E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

2) A step-down transformer steps 15 kV down to 250 V. The high-voltage input is provided by a 130 Ω power line that carries 4 A of currentWhat is the output current (at the 250 V side ?)

a) 1.983E+02 A
b) 2.182E+02 A
c) 2.400E+02 A
d) 2.640E+02 A
e) 2.904E+02 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.31 V. The resistance, inductance, and capacitance are R =5 Ω, L= 9.00E-03H , and C=5.10E-04 F, respectively. What is the amplitude of the current?

a) 4.235E-02 A
b) 4.658E-02 A
c) 5.124E-02 A
d) 5.636E-02 A
e) 6.200E-02 A

#### KEY:QB:Ch 15:V2

QB153099154207

1) The output of an ac generator connected to an RLC series combination has a frequency of 480 Hz and an amplitude of 0.63 V;. If R =7 Ω, L= 3.80E-03H , and C=5.30E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

2) A step-down transformer steps 15 kV down to 250 V. The high-voltage input is provided by a 130 Ω power line that carries 4 A of currentWhat is the output current (at the 250 V side ?)

-a) 1.983E+02 A
-b) 2.182E+02 A
+c) 2.400E+02 A
-d) 2.640E+02 A
-e) 2.904E+02 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.31 V. The resistance, inductance, and capacitance are R =5 Ω, L= 9.00E-03H , and C=5.10E-04 F, respectively. What is the amplitude of the current?

-a) 4.235E-02 A
-b) 4.658E-02 A
-c) 5.124E-02 A
-d) 5.636E-02 A
+e) 6.200E-02 A

### QB:Ch 16:V0

QB153099154207

1)
A parallel plate capacitor with a capicatnce C=8.30E-06 F whose plates have an area A=7.00E+03 m2 and separation d=7.50E-03 m is connected via a swith to a 51 Ω resistor and a battery of voltage V0=81 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=1.20E-03?
a) 5.728E+01 V
b) 6.301E+01 V
c) 6.931E+01 V
d) 7.624E+01 V
e) 8.387E+01 V
2)
A parallel plate capacitor with a capicatnce C=7.60E-06 F whose plates have an area A=4.00E+03 m2 and separation d=4.70E-03 m is connected via a swith to a 38 Ω resistor and a battery of voltage V0=28 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=8.10E-04?
a) 3.351E-02 A
b) 3.686E-02 A
c) 4.054E-02 A
d) 4.460E-02 A
e) 4.906E-02 A
3)
A parallel plate capacitor with a capicatnce C=2.00E-06 F whose plates have an area A=1.90E+03 m2 and separation d=8.60E-03 m is connected via a swith to a 28 Ω resistor and a battery of voltage V0=45 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=1.30E-04?
a) 3.223E+03 V/m
b) 3.546E+03 V/m
c) 3.900E+03 V/m
d) 4.290E+03 V/m
e) 4.719E+03 V/m

#### KEY:QB:Ch 16:V0

QB153099154207

1)
A parallel plate capacitor with a capicatnce C=8.30E-06 F whose plates have an area A=7.00E+03 m2 and separation d=7.50E-03 m is connected via a swith to a 51 Ω resistor and a battery of voltage V0=81 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=1.20E-03?
-a) 5.728E+01 V
-b) 6.301E+01 V
-c) 6.931E+01 V
+d) 7.624E+01 V
-e) 8.387E+01 V
2)
A parallel plate capacitor with a capicatnce C=7.60E-06 F whose plates have an area A=4.00E+03 m2 and separation d=4.70E-03 m is connected via a swith to a 38 Ω resistor and a battery of voltage V0=28 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=8.10E-04?
-a) 3.351E-02 A
-b) 3.686E-02 A
-c) 4.054E-02 A
+d) 4.460E-02 A
-e) 4.906E-02 A
3)
A parallel plate capacitor with a capicatnce C=2.00E-06 F whose plates have an area A=1.90E+03 m2 and separation d=8.60E-03 m is connected via a swith to a 28 Ω resistor and a battery of voltage V0=45 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=1.30E-04?
-a) 3.223E+03 V/m
-b) 3.546E+03 V/m
-c) 3.900E+03 V/m
-d) 4.290E+03 V/m
+e) 4.719E+03 V/m

### QB:Ch 16:V1

QB153099154207

1)
A parallel plate capacitor with a capicatnce C=9.80E-06 F whose plates have an area A=1.00E+04 m2 and separation d=9.00E-03 m is connected via a swith to a 15 Ω resistor and a battery of voltage V0=94 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=6.60E-04?
a) 6.394E-02 A
b) 7.033E-02 A
c) 7.736E-02 A
d) 8.510E-02 A
e) 9.361E-02 A
2)
A parallel plate capacitor with a capicatnce C=4.30E-06 F whose plates have an area A=2.80E+03 m2 and separation d=5.70E-03 m is connected via a swith to a 7 Ω resistor and a battery of voltage V0=97 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=7.00E-05?
a) 1.049E+04 V/m
b) 1.154E+04 V/m
c) 1.269E+04 V/m
d) 1.396E+04 V/m
e) 1.535E+04 V/m
3)
A parallel plate capacitor with a capicatnce C=5.60E-06 F whose plates have an area A=3.50E+03 m2 and separation d=5.60E-03 m is connected via a swith to a 94 Ω resistor and a battery of voltage V0=21 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=8.40E-04?
a) 1.258E+01 V
b) 1.384E+01 V
c) 1.522E+01 V
d) 1.674E+01 V
e) 1.842E+01 V

#### KEY:QB:Ch 16:V1

QB153099154207

1)
A parallel plate capacitor with a capicatnce C=9.80E-06 F whose plates have an area A=1.00E+04 m2 and separation d=9.00E-03 m is connected via a swith to a 15 Ω resistor and a battery of voltage V0=94 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=6.60E-04?
-a) 6.394E-02 A
+b) 7.033E-02 A
-c) 7.736E-02 A
-d) 8.510E-02 A
-e) 9.361E-02 A
2)
A parallel plate capacitor with a capicatnce C=4.30E-06 F whose plates have an area A=2.80E+03 m2 and separation d=5.70E-03 m is connected via a swith to a 7 Ω resistor and a battery of voltage V0=97 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=7.00E-05?
-a) 1.049E+04 V/m
-b) 1.154E+04 V/m
-c) 1.269E+04 V/m
-d) 1.396E+04 V/m
+e) 1.535E+04 V/m
3)
A parallel plate capacitor with a capicatnce C=5.60E-06 F whose plates have an area A=3.50E+03 m2 and separation d=5.60E-03 m is connected via a swith to a 94 Ω resistor and a battery of voltage V0=21 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=8.40E-04?
-a) 1.258E+01 V
-b) 1.384E+01 V
-c) 1.522E+01 V
+d) 1.674E+01 V
-e) 1.842E+01 V

### QB:Ch 16:V2

QB153099154207

1)
A parallel plate capacitor with a capicatnce C=7.90E-06 F whose plates have an area A=6.10E+03 m2 and separation d=6.80E-03 m is connected via a swith to a 22 Ω resistor and a battery of voltage V0=6 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=5.20E-04?
a) 7.619E+02 V/m
b) 8.381E+02 V/m
c) 9.219E+02 V/m
d) 1.014E+03 V/m
e) 1.115E+03 V/m
2)
A parallel plate capacitor with a capicatnce C=3.80E-06 F whose plates have an area A=2.70E+03 m2 and separation d=6.30E-03 m is connected via a swith to a 4 Ω resistor and a battery of voltage V0=7 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=3.40E-05?
a) 6.252E+00 V
b) 6.878E+00 V
c) 7.565E+00 V
d) 8.322E+00 V
e) 9.154E+00 V
3)
A parallel plate capacitor with a capicatnce C=4.40E-06 F whose plates have an area A=1.80E+03 m2 and separation d=3.60E-03 m is connected via a swith to a 87 Ω resistor and a battery of voltage V0=61 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=6.70E-04?
a) 8.320E-02 A
b) 9.152E-02 A
c) 1.007E-01 A
d) 1.107E-01 A
e) 1.218E-01 A

#### KEY:QB:Ch 16:V2

QB153099154207

1)
A parallel plate capacitor with a capicatnce C=7.90E-06 F whose plates have an area A=6.10E+03 m2 and separation d=6.80E-03 m is connected via a swith to a 22 Ω resistor and a battery of voltage V0=6 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=5.20E-04?
-a) 7.619E+02 V/m
+b) 8.381E+02 V/m
-c) 9.219E+02 V/m
-d) 1.014E+03 V/m
-e) 1.115E+03 V/m
2)
A parallel plate capacitor with a capicatnce C=3.80E-06 F whose plates have an area A=2.70E+03 m2 and separation d=6.30E-03 m is connected via a swith to a 4 Ω resistor and a battery of voltage V0=7 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=3.40E-05?
+a) 6.252E+00 V
-b) 6.878E+00 V
-c) 7.565E+00 V
-d) 8.322E+00 V
-e) 9.154E+00 V
3)
A parallel plate capacitor with a capicatnce C=4.40E-06 F whose plates have an area A=1.80E+03 m2 and separation d=3.60E-03 m is connected via a swith to a 87 Ω resistor and a battery of voltage V0=61 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=6.70E-04?
-a) 8.320E-02 A
-b) 9.152E-02 A
-c) 1.007E-01 A
-d) 1.107E-01 A
+e) 1.218E-01 A