# Quizbank/Electricity and Magnetism (calculus based)/QB153086031104

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QB153086031104

### QB:Ch 5:V0

QB153086031104

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=6\times 10^{-7}{\text{m}}}$.what angle does the force on ${\displaystyle q_{2}}$ make above the ${\displaystyle -x}$ axis if ${\displaystyle q_{1}=3e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=4e}$?
a) 5.914E+01 degrees
b) 6.506E+01 degrees
c) 7.157E+01 degrees
d) 7.872E+01 degrees
e) 8.659E+01 degrees
2)
A ring is uniformly charged with a net charge of 4 nC. The radius of the ring is R=1.6 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=1.0 m (on axis) away from the loop's center?
a) 5.352E+09 N/C2
b) 5.887E+09 N/C2
c) 6.476E+09 N/C2
d) 7.124E+09 N/C2
e) 7.836E+09 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 ${\displaystyle R=3.2{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =2{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=2.2{\text{ m}}}$.

a) 3.228E+00 V/m2
b) 3.551E+00 V/m2
c) 3.906E+00 V/m2
d) 4.297E+00 V/m2
e) 4.727E+00 V/m2

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

QB153086031104

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=6\times 10^{-7}{\text{m}}}$.what angle does the force on ${\displaystyle q_{2}}$ make above the ${\displaystyle -x}$ axis if ${\displaystyle q_{1}=3e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=4e}$?
-a) 5.914E+01 degrees
-b) 6.506E+01 degrees
+c) 7.157E+01 degrees
-d) 7.872E+01 degrees
-e) 8.659E+01 degrees
2)
A ring is uniformly charged with a net charge of 4 nC. The radius of the ring is R=1.6 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=1.0 m (on axis) away from the loop's center?
+a) 5.352E+09 N/C2
-b) 5.887E+09 N/C2
-c) 6.476E+09 N/C2
-d) 7.124E+09 N/C2
-e) 7.836E+09 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 ${\displaystyle R=3.2{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =2{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=2.2{\text{ m}}}$.

-a) 3.228E+00 V/m2
-b) 3.551E+00 V/m2
-c) 3.906E+00 V/m2
-d) 4.297E+00 V/m2
+e) 4.727E+00 V/m2

### QB:Ch 5:V1

QB153086031104

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=2\times 10^{-7}{\text{m}}}$.what angle does the force on ${\displaystyle q_{2}}$ make above the ${\displaystyle -x}$ axis if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=5e}$?
a) 4.357E+01 degrees
b) 4.793E+01 degrees
c) 5.272E+01 degrees
d) 5.799E+01 degrees
e) 6.379E+01 degrees
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 ${\displaystyle R=8.1{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =3{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=4.2{\text{ m}}}$.

a) 5.134E-01 V/m2
b) 5.648E-01 V/m2
c) 6.212E-01 V/m2
d) 6.834E-01 V/m2
e) 7.517E-01 V/m2

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

QB153086031104

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=2\times 10^{-7}{\text{m}}}$.what angle does the force on ${\displaystyle q_{2}}$ make above the ${\displaystyle -x}$ axis if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=5e}$?
-a) 4.357E+01 degrees
-b) 4.793E+01 degrees
-c) 5.272E+01 degrees
+d) 5.799E+01 degrees
-e) 6.379E+01 degrees
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 ${\displaystyle R=8.1{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =3{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=4.2{\text{ m}}}$.

-a) 5.134E-01 V/m2
+b) 5.648E-01 V/m2
-c) 6.212E-01 V/m2
-d) 6.834E-01 V/m2
-e) 7.517E-01 V/m2

### QB:Ch 5:V2

QB153086031104

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 ${\displaystyle R=2.0{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =9{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=1.2{\text{ m}}}$.

a) 8.933E+00 V/m2
b) 9.826E+00 V/m2
c) 1.081E+01 V/m2
d) 1.189E+01 V/m2
e) 1.308E+01 V/m2
2)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=2\times 10^{-7}{\text{m}}}$.what angle does the force on ${\displaystyle q_{2}}$ make above the ${\displaystyle -x}$ axis if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=5e}$?
a) 4.357E+01 degrees
b) 4.793E+01 degrees
c) 5.272E+01 degrees
d) 5.799E+01 degrees
e) 6.379E+01 degrees
3)
A ring is uniformly charged with a net charge of 5 nC. The radius of the ring is R=1.6 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) 5.581E+09 N/C2
b) 6.139E+09 N/C2
c) 6.753E+09 N/C2
d) 7.428E+09 N/C2
e) 8.171E+09 N/C2

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

QB153086031104

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 ${\displaystyle R=2.0{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =9{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=1.2{\text{ m}}}$.

-a) 8.933E+00 V/m2
-b) 9.826E+00 V/m2
+c) 1.081E+01 V/m2
-d) 1.189E+01 V/m2
-e) 1.308E+01 V/m2
2)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=2\times 10^{-7}{\text{m}}}$.what angle does the force on ${\displaystyle q_{2}}$ make above the ${\displaystyle -x}$ axis if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=5e}$?
-a) 4.357E+01 degrees
-b) 4.793E+01 degrees
-c) 5.272E+01 degrees
+d) 5.799E+01 degrees
-e) 6.379E+01 degrees
3)
A ring is uniformly charged with a net charge of 5 nC. The radius of the ring is R=1.6 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) 5.581E+09 N/C2
-b) 6.139E+09 N/C2
+c) 6.753E+09 N/C2
-d) 7.428E+09 N/C2
-e) 8.171E+09 N/C2

### QB:Ch 6:V0

QB153086031104

1) What is the magnetude (absolute value) of the electric flux through a rectangle that occupies the z=0 plane with corners at (x,y)= (x=0, y=0), (x=9, y=0), (x=0, y=9), and (x=9, y=9), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=3y^{2.8}{\hat {i}}+1x^{2.3}{\hat {j}}+2y^{2.9}{\hat {k}}}$

a) 2.210E+04 V·m
b) 2.431E+04 V·m
c) 2.674E+04 V·m
d) 2.941E+04 V·m
e) 3.235E+04 V·m
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=2.8 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=4.7 m, z=z0=1.8 m, and z=z1=4.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 9.2m2 ,and those in the zx plane have area 8.1m2. An electric field of magnitude 6 N/C has components in the y and z directions and is directed at 32° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 2.134E+01 N·m2/C
b) 2.347E+01 N·m2/C
c) 2.582E+01 N·m2/C
d) 2.840E+01 N·m2/C
e) 3.124E+01 N·m2/C

3) A non-conducting sphere of radius R=1.7 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=3 nC·m-1.5. What is the magnitude of the electric field at a distance of 0.64 m from the center?

a) 2.039E+01 N/C
b) 2.243E+01 N/C
c) 2.467E+01 N/C
d) 2.714E+01 N/C
e) 2.985E+01 N/C

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

QB153086031104

1) What is the magnetude (absolute value) of the electric flux through a rectangle that occupies the z=0 plane with corners at (x,y)= (x=0, y=0), (x=9, y=0), (x=0, y=9), and (x=9, y=9), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=3y^{2.8}{\hat {i}}+1x^{2.3}{\hat {j}}+2y^{2.9}{\hat {k}}}$

-a) 2.210E+04 V·m
+b) 2.431E+04 V·m
-c) 2.674E+04 V·m
-d) 2.941E+04 V·m
-e) 3.235E+04 V·m
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=2.8 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=4.7 m, z=z0=1.8 m, and z=z1=4.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 9.2m2 ,and those in the zx plane have area 8.1m2. An electric field of magnitude 6 N/C has components in the y and z directions and is directed at 32° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 2.134E+01 N·m2/C
-b) 2.347E+01 N·m2/C
+c) 2.582E+01 N·m2/C
-d) 2.840E+01 N·m2/C
-e) 3.124E+01 N·m2/C

3) A non-conducting sphere of radius R=1.7 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=3 nC·m-1.5. What is the magnitude of the electric field at a distance of 0.64 m from the center?

-a) 2.039E+01 N/C
-b) 2.243E+01 N/C
+c) 2.467E+01 N/C
-d) 2.714E+01 N/C
-e) 2.985E+01 N/C

### QB:Ch 6:V1

QB153086031104

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=2.2 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=4.6 m, z=z0=1.4 m, and z=z1=4.5 m. The surfaces in the yz plane each have area 9.0m2. Those in the xy plane have area 6.4m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 15 N/C has components in the y and z directions and is directed at 31° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 3.959E+01 N·m2/C
b) 4.354E+01 N·m2/C
c) 4.790E+01 N·m2/C
d) 5.269E+01 N·m2/C
e) 5.796E+01 N·m2/C

2) What is the magnetude (absolute value) of the electric flux through a rectangle that occupies the z=0 plane with corners at (x,y)= (x=0, y=0), (x=5, y=0), (x=0, y=7), and (x=5, y=7), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=3y^{2.9}{\hat {i}}+3x^{1.6}{\hat {j}}+4y^{2.5}{\hat {k}}}$

a) 4.286E+03 V·m
b) 4.714E+03 V·m
c) 5.186E+03 V·m
d) 5.704E+03 V·m
e) 6.275E+03 V·m

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:V1

QB153086031104

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=2.2 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=4.6 m, z=z0=1.4 m, and z=z1=4.5 m. The surfaces in the yz plane each have area 9.0m2. Those in the xy plane have area 6.4m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 15 N/C has components in the y and z directions and is directed at 31° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 3.959E+01 N·m2/C
-b) 4.354E+01 N·m2/C
-c) 4.790E+01 N·m2/C
+d) 5.269E+01 N·m2/C
-e) 5.796E+01 N·m2/C

2) What is the magnetude (absolute value) of the electric flux through a rectangle that occupies the z=0 plane with corners at (x,y)= (x=0, y=0), (x=5, y=0), (x=0, y=7), and (x=5, y=7), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=3y^{2.9}{\hat {i}}+3x^{1.6}{\hat {j}}+4y^{2.5}{\hat {k}}}$

-a) 4.286E+03 V·m
-b) 4.714E+03 V·m
+c) 5.186E+03 V·m
-d) 5.704E+03 V·m
-e) 6.275E+03 V·m

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:V2

QB153086031104

1) A non-conducting sphere of radius R=2.9 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 1.5 m from the center?

a) 1.383E+02 N/C
b) 1.522E+02 N/C
c) 1.674E+02 N/C
d) 1.841E+02 N/C
e) 2.025E+02 N/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=2.2 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=4.3 m, z=z0=1.5 m, and z=z1=4.7 m. The surfaces in the yz plane each have area 8.3m2. Those in the xy plane have area 5.7m2 ,and those in the zx plane have area 7.0m2. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 28° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 5.408E+01 N·m2/C
b) 5.949E+01 N·m2/C
c) 6.544E+01 N·m2/C
d) 7.198E+01 N·m2/C
e) 7.918E+01 N·m2/C

3) What is the magnetude (absolute value) of the electric flux through a rectangle that occupies the z=0 plane with corners at (x,y)= (x=0, y=0), (x=5, y=0), (x=0, y=7), and (x=5, y=7), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=3y^{2.9}{\hat {i}}+3x^{1.6}{\hat {j}}+4y^{2.5}{\hat {k}}}$

a) 4.286E+03 V·m
b) 4.714E+03 V·m
c) 5.186E+03 V·m
d) 5.704E+03 V·m
e) 6.275E+03 V·m

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

QB153086031104

1) A non-conducting sphere of radius R=2.9 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 1.5 m from the center?

+a) 1.383E+02 N/C
-b) 1.522E+02 N/C
-c) 1.674E+02 N/C
-d) 1.841E+02 N/C
-e) 2.025E+02 N/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=2.2 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=4.3 m, z=z0=1.5 m, and z=z1=4.7 m. The surfaces in the yz plane each have area 8.3m2. Those in the xy plane have area 5.7m2 ,and those in the zx plane have area 7.0m2. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 28° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 5.408E+01 N·m2/C
+b) 5.949E+01 N·m2/C
-c) 6.544E+01 N·m2/C
-d) 7.198E+01 N·m2/C
-e) 7.918E+01 N·m2/C

3) What is the magnetude (absolute value) of the electric flux through a rectangle that occupies the z=0 plane with corners at (x,y)= (x=0, y=0), (x=5, y=0), (x=0, y=7), and (x=5, y=7), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=3y^{2.9}{\hat {i}}+3x^{1.6}{\hat {j}}+4y^{2.5}{\hat {k}}}$

-a) 4.286E+03 V·m
-b) 4.714E+03 V·m
+c) 5.186E+03 V·m
-d) 5.704E+03 V·m
-e) 6.275E+03 V·m

### QB:Ch 7:V0

QB153086031104

1)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=4.09 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=3.45 cm, y=2.04 cm)? Note that following the textbook's example, the y-value of the field point at 2.04 cm matches the disance of the positive charge above the x-axis.
a) 3.814E+02 V
b) 4.195E+02 V
c) 4.615E+02 V
d) 5.077E+02 V
e) 5.584E+02 V

2) When a 7.1 V battery operates a 1.8 W bulb, how many electrons pass through it each second?

a) 1.439E+18 electrons
b) 1.582E+18 electrons
c) 1.741E+18 electrons
d) 1.915E+18 electrons
e) 2.106E+18 electrons
3)
An electron gun has parallel plates separated by 5.02 cm and gives electrons 16 keV of energy. What force would the field between the plates exert on a 0.609 μC charge that gets between the plates?
a) 1.604E-01 N
b) 1.765E-01 N
c) 1.941E-01 N
d) 2.135E-01 N
e) 2.349E-01 N

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

QB153086031104

1)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=4.09 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=3.45 cm, y=2.04 cm)? Note that following the textbook's example, the y-value of the field point at 2.04 cm matches the disance of the positive charge above the x-axis.
-a) 3.814E+02 V
-b) 4.195E+02 V
+c) 4.615E+02 V
-d) 5.077E+02 V
-e) 5.584E+02 V

2) When a 7.1 V battery operates a 1.8 W bulb, how many electrons pass through it each second?

-a) 1.439E+18 electrons
+b) 1.582E+18 electrons
-c) 1.741E+18 electrons
-d) 1.915E+18 electrons
-e) 2.106E+18 electrons
3)
An electron gun has parallel plates separated by 5.02 cm and gives electrons 16 keV of energy. What force would the field between the plates exert on a 0.609 μC charge that gets between the plates?
-a) 1.604E-01 N
-b) 1.765E-01 N
+c) 1.941E-01 N
-d) 2.135E-01 N
-e) 2.349E-01 N

### QB:Ch 7:V1

QB153086031104

1)
An electron gun has parallel plates separated by 3.02 cm and gives electrons 39 keV of energy. What force would the field between the plates exert on a 0.699 μC charge that gets between the plates?
a) 8.206E-01 N
b) 9.027E-01 N
c) 9.930E-01 N
d) 1.092E+00 N
e) 1.201E+00 N

2) When a 7.78 V battery operates a 1.35 W bulb, how many electrons pass through it each second?

a) 7.397E+17 electrons
b) 8.137E+17 electrons
c) 8.951E+17 electrons
d) 9.846E+17 electrons
e) 1.083E+18 electrons
3)
A diploe has a charge magnitude of q=7 nC and a separation distance of d=4.08 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=3.16 cm, y=2.04 cm)? Note that following the textbook's example, the y-value of the field point at 2.04 cm matches the disance of the positive charge above the x-axis.
a) 7.017E+02 V
b) 7.718E+02 V
c) 8.490E+02 V
d) 9.339E+02 V
e) 1.027E+03 V

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

QB153086031104

1)
An electron gun has parallel plates separated by 3.02 cm and gives electrons 39 keV of energy. What force would the field between the plates exert on a 0.699 μC charge that gets between the plates?
-a) 8.206E-01 N
+b) 9.027E-01 N
-c) 9.930E-01 N
-d) 1.092E+00 N
-e) 1.201E+00 N

2) When a 7.78 V battery operates a 1.35 W bulb, how many electrons pass through it each second?

-a) 7.397E+17 electrons
-b) 8.137E+17 electrons
-c) 8.951E+17 electrons
-d) 9.846E+17 electrons
+e) 1.083E+18 electrons
3)
A diploe has a charge magnitude of q=7 nC and a separation distance of d=4.08 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=3.16 cm, y=2.04 cm)? Note that following the textbook's example, the y-value of the field point at 2.04 cm matches the disance of the positive charge above the x-axis.
-a) 7.017E+02 V
+b) 7.718E+02 V
-c) 8.490E+02 V
-d) 9.339E+02 V
-e) 1.027E+03 V

### QB:Ch 7:V2

QB153086031104

1)
An electron gun has parallel plates separated by 4.95 cm and gives electrons 13 keV of energy. What force would the field between the plates exert on a 0.516 μC charge that gets between the plates?
a) 1.355E-01 N
b) 1.491E-01 N
c) 1.640E-01 N
d) 1.804E-01 N
e) 1.984E-01 N
2)
A diploe has a charge magnitude of q=4 nC and a separation distance of d=4.07 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=3.88 cm, y=2.04 cm)? Note that following the textbook's example, the y-value of the field point at 2.04 cm matches the disance of the positive charge above the x-axis.
a) 2.164E+02 V
b) 2.381E+02 V
c) 2.619E+02 V
d) 2.880E+02 V
e) 3.168E+02 V

3) When a 3.8 V battery operates a 1.67 W bulb, how many electrons pass through it each second?

a) 1.873E+18 electrons
b) 2.061E+18 electrons
c) 2.267E+18 electrons
d) 2.494E+18 electrons
e) 2.743E+18 electrons

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

QB153086031104

1)
An electron gun has parallel plates separated by 4.95 cm and gives electrons 13 keV of energy. What force would the field between the plates exert on a 0.516 μC charge that gets between the plates?
+a) 1.355E-01 N
-b) 1.491E-01 N
-c) 1.640E-01 N
-d) 1.804E-01 N
-e) 1.984E-01 N
2)
A diploe has a charge magnitude of q=4 nC and a separation distance of d=4.07 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=3.88 cm, y=2.04 cm)? Note that following the textbook's example, the y-value of the field point at 2.04 cm matches the disance of the positive charge above the x-axis.
-a) 2.164E+02 V
-b) 2.381E+02 V
-c) 2.619E+02 V
+d) 2.880E+02 V
-e) 3.168E+02 V

3) When a 3.8 V battery operates a 1.67 W bulb, how many electrons pass through it each second?

-a) 1.873E+18 electrons
-b) 2.061E+18 electrons
-c) 2.267E+18 electrons
-d) 2.494E+18 electrons
+e) 2.743E+18 electrons

### QB:Ch 8:V0

QB153086031104

1)
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
2)
In the figure shown C1=15.7 μF, C2=2.87 μF, and C3=5.46 μF. The voltage source provides ε=5.38 V. What is the energy stored in C2?
a) 6.890E+00 μJ
b) 7.579E+00 μJ
c) 8.337E+00 μJ
d) 9.171E+00 μJ
e) 1.009E+01 μJ
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

QB153086031104

1)
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
2)
In the figure shown C1=15.7 μF, C2=2.87 μF, and C3=5.46 μF. The voltage source provides ε=5.38 V. What is the energy stored in C2?
-a) 6.890E+00 μJ
-b) 7.579E+00 μJ
-c) 8.337E+00 μJ
-d) 9.171E+00 μJ
+e) 1.009E+01 μJ
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

QB153086031104

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=16.7 μF, C2=2.26 μF, and C3=4.53 μF. The voltage source provides ε=10.7 V. What is the energy stored in C2?
a) 1.292E+01 μJ
b) 1.421E+01 μJ
c) 1.563E+01 μJ
d) 1.719E+01 μJ
e) 1.891E+01 μJ
3)
In the figure shown C1=16.9 μF, C2=2.3 μF, and C3=4.67 μF. The voltage source provides ε=13.4 V. What is the charge on C1?
a) 6.011E+01 μC
b) 6.613E+01 μC
c) 7.274E+01 μC
d) 8.001E+01 μC
e) 8.801E+01 μC

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

QB153086031104

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=16.7 μF, C2=2.26 μF, and C3=4.53 μF. The voltage source provides ε=10.7 V. What is the energy stored in C2?
-a) 1.292E+01 μJ
-b) 1.421E+01 μJ
-c) 1.563E+01 μJ
+d) 1.719E+01 μJ
-e) 1.891E+01 μJ
3)
In the figure shown C1=16.9 μF, C2=2.3 μF, and C3=4.67 μF. The voltage source provides ε=13.4 V. What is the charge on C1?
-a) 6.011E+01 μC
+b) 6.613E+01 μC
-c) 7.274E+01 μC
-d) 8.001E+01 μC
-e) 8.801E+01 μC

### QB:Ch 8:V2

QB153086031104

1)
What is the net capacitance if C1=2.96 μF, C2=3.95 μF, and C3=3.74 μF in the configuration shown?
a) 4.489E+00 μF
b) 4.938E+00 μF
c) 5.432E+00 μF
d) 5.975E+00 μF
e) 6.573E+00 μF
2)
In the figure shown C1=19.2 μF, C2=2.86 μF, and C3=5.03 μF. The voltage source provides ε=9.46 V. What is the charge on C1?
a) 4.809E+01 μC
b) 5.290E+01 μC
c) 5.819E+01 μC
d) 6.401E+01 μC
e) 7.041E+01 μC
3)
In the figure shown C1=16.7 μF, C2=2.26 μF, and C3=4.53 μF. The voltage source provides ε=10.7 V. What is the energy stored in C2?
a) 1.292E+01 μJ
b) 1.421E+01 μJ
c) 1.563E+01 μJ
d) 1.719E+01 μJ
e) 1.891E+01 μJ

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

QB153086031104

1)
What is the net capacitance if C1=2.96 μF, C2=3.95 μF, and C3=3.74 μF in the configuration shown?
-a) 4.489E+00 μF
-b) 4.938E+00 μF
+c) 5.432E+00 μF
-d) 5.975E+00 μF
-e) 6.573E+00 μF
2)
In the figure shown C1=19.2 μF, C2=2.86 μF, and C3=5.03 μF. The voltage source provides ε=9.46 V. What is the charge on C1?
-a) 4.809E+01 μC
+b) 5.290E+01 μC
-c) 5.819E+01 μC
-d) 6.401E+01 μC
-e) 7.041E+01 μC
3)
In the figure shown C1=16.7 μF, C2=2.26 μF, and C3=4.53 μF. The voltage source provides ε=10.7 V. What is the energy stored in C2?
-a) 1.292E+01 μJ
-b) 1.421E+01 μJ
-c) 1.563E+01 μJ
+d) 1.719E+01 μJ
-e) 1.891E+01 μJ

### QB:Ch 9:V0

QB153086031104

1) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.61 Ω at a temperature of 92°C and that the temperature coefficient of expansion is 4.260E-03 (°C)−1). What is the resistance at a temperature of 422 °C?

a) 6.279E+00 Ω
b) 6.593E+00 Ω
c) 6.923E+00 Ω
d) 7.269E+00 Ω
e) 7.632E+00 Ω

2) A device requires consumes 84 W of power and requires 3.66 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

a) 5.751E+05 A/m2
b) 6.326E+05 A/m2
c) 6.958E+05 A/m2
d) 7.654E+05 A/m2
e) 8.419E+05 A/m2

3) Calculate the resistance of a 12-gauge copper wire that is 48 m long and carries a current of 50 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.

a) 2.215E-01 Ω
b) 2.436E-01 Ω
c) 2.680E-01 Ω
d) 2.948E-01 Ω
e) 3.243E-01 Ω

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

QB153086031104

1) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.61 Ω at a temperature of 92°C and that the temperature coefficient of expansion is 4.260E-03 (°C)−1). What is the resistance at a temperature of 422 °C?

+a) 6.279E+00 Ω
-b) 6.593E+00 Ω
-c) 6.923E+00 Ω
-d) 7.269E+00 Ω
-e) 7.632E+00 Ω

2) A device requires consumes 84 W of power and requires 3.66 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

-a) 5.751E+05 A/m2
-b) 6.326E+05 A/m2
+c) 6.958E+05 A/m2
-d) 7.654E+05 A/m2
-e) 8.419E+05 A/m2

3) Calculate the resistance of a 12-gauge copper wire that is 48 m long and carries a current of 50 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.

-a) 2.215E-01 Ω
+b) 2.436E-01 Ω
-c) 2.680E-01 Ω
-d) 2.948E-01 Ω
-e) 3.243E-01 Ω

### QB:Ch 9:V1

QB153086031104

1) Calculate the resistance of a 12-gauge copper wire that is 19 m long and carries a current of 59 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.

a) 7.970E-02 Ω
b) 8.767E-02 Ω
c) 9.644E-02 Ω
d) 1.061E-01 Ω
e) 1.167E-01 Ω

2) A device requires consumes 81 W of power and requires 2.34 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

a) 3.342E+05 A/m2
b) 3.677E+05 A/m2
c) 4.044E+05 A/m2
d) 4.449E+05 A/m2
e) 4.894E+05 A/m2

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.95 Ω at a temperature of 96°C and that the temperature coefficient of expansion is 4.400E-03 (°C)−1). What is the resistance at a temperature of 469 °C?

a) 4.449E+00 Ω
b) 4.672E+00 Ω
c) 4.905E+00 Ω
d) 5.150E+00 Ω
e) 5.408E+00 Ω

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

QB153086031104

1) Calculate the resistance of a 12-gauge copper wire that is 19 m long and carries a current of 59 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.

-a) 7.970E-02 Ω
-b) 8.767E-02 Ω
+c) 9.644E-02 Ω
-d) 1.061E-01 Ω
-e) 1.167E-01 Ω

2) A device requires consumes 81 W of power and requires 2.34 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

-a) 3.342E+05 A/m2
-b) 3.677E+05 A/m2
-c) 4.044E+05 A/m2
+d) 4.449E+05 A/m2
-e) 4.894E+05 A/m2

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.95 Ω at a temperature of 96°C and that the temperature coefficient of expansion is 4.400E-03 (°C)−1). What is the resistance at a temperature of 469 °C?

-a) 4.449E+00 Ω
-b) 4.672E+00 Ω
-c) 4.905E+00 Ω
+d) 5.150E+00 Ω
-e) 5.408E+00 Ω

### QB:Ch 9:V2

QB153086031104

1) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.61 Ω at a temperature of 92°C and that the temperature coefficient of expansion is 4.260E-03 (°C)−1). What is the resistance at a temperature of 422 °C?

a) 6.279E+00 Ω
b) 6.593E+00 Ω
c) 6.923E+00 Ω
d) 7.269E+00 Ω
e) 7.632E+00 Ω

2) Calculate the resistance of a 12-gauge copper wire that is 19 m long and carries a current of 59 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.

a) 7.970E-02 Ω
b) 8.767E-02 Ω
c) 9.644E-02 Ω
d) 1.061E-01 Ω
e) 1.167E-01 Ω

3) A device requires consumes 103 W of power and requires 6.3 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

a) 8.999E+05 A/m2
b) 9.899E+05 A/m2
c) 1.089E+06 A/m2
d) 1.198E+06 A/m2
e) 1.317E+06 A/m2

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

QB153086031104

1) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.61 Ω at a temperature of 92°C and that the temperature coefficient of expansion is 4.260E-03 (°C)−1). What is the resistance at a temperature of 422 °C?

+a) 6.279E+00 Ω
-b) 6.593E+00 Ω
-c) 6.923E+00 Ω
-d) 7.269E+00 Ω
-e) 7.632E+00 Ω

2) Calculate the resistance of a 12-gauge copper wire that is 19 m long and carries a current of 59 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.

-a) 7.970E-02 Ω
-b) 8.767E-02 Ω
+c) 9.644E-02 Ω
-d) 1.061E-01 Ω
-e) 1.167E-01 Ω

3) A device requires consumes 103 W of power and requires 6.3 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

-a) 8.999E+05 A/m2
-b) 9.899E+05 A/m2
-c) 1.089E+06 A/m2
+d) 1.198E+06 A/m2
-e) 1.317E+06 A/m2

### QB:Ch 10:V0

QB153086031104

1) A battery with a terminal voltage of 8.72 V is connected to a circuit consisting of 2 15.8 Ω resistors and one 9.58 Ω resistor. What is the voltage drop across the 9.58 Ω resistor?

a) 1.677E+00 V
b) 1.844E+00 V
c) 2.029E+00 V
d) 2.231E+00 V
e) 2.455E+00 V
2)
In the circuit shown the voltage across the capaciator is zero at time t=0 when a switch is closed putting the capacitor into contact with a power supply of 466 V. If the combined external and internal resistance is 123 &Omega and the capacitance is 76 mF, how long will it take for the capacitor's voltage to reach 331.0 V?
a) 9.571E+00 s
b) 1.053E+01 s
c) 1.158E+01 s
d) 1.274E+01 s
e) 1.401E+01 s
3)
Two sources of emf ε1=16.8 V, and ε2=6.85 V are oriented as shownin the circuit. The resistances are R1=4.43 kΩ and R2=1.24 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=2.68 mA and I4=0.758 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R1?
a) 3.890E+00 V
b) 4.279E+00 V
c) 4.707E+00 V
d) 5.178E+00 V
e) 5.695E+00 V

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

QB153086031104

1) A battery with a terminal voltage of 8.72 V is connected to a circuit consisting of 2 15.8 Ω resistors and one 9.58 Ω resistor. What is the voltage drop across the 9.58 Ω resistor?

-a) 1.677E+00 V
-b) 1.844E+00 V
+c) 2.029E+00 V
-d) 2.231E+00 V
-e) 2.455E+00 V
2)
In the circuit shown the voltage across the capaciator is zero at time t=0 when a switch is closed putting the capacitor into contact with a power supply of 466 V. If the combined external and internal resistance is 123 &Omega and the capacitance is 76 mF, how long will it take for the capacitor's voltage to reach 331.0 V?
-a) 9.571E+00 s
-b) 1.053E+01 s
+c) 1.158E+01 s
-d) 1.274E+01 s
-e) 1.401E+01 s
3)
Two sources of emf ε1=16.8 V, and ε2=6.85 V are oriented as shownin the circuit. The resistances are R1=4.43 kΩ and R2=1.24 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=2.68 mA and I4=0.758 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R1?
-a) 3.890E+00 V
-b) 4.279E+00 V
-c) 4.707E+00 V
+d) 5.178E+00 V
-e) 5.695E+00 V

### QB:Ch 10:V1

QB153086031104

1)
Two sources of emf ε1=52.7 V, and ε2=17.5 V are oriented as shownin the circuit. The resistances are R1=5.86 kΩ and R2=2.08 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=3.48 mA and I4=0.988 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R1?
a) 2.064E+01 V
b) 2.270E+01 V
c) 2.497E+01 V
d) 2.747E+01 V
e) 3.021E+01 V
2)
In the circuit shown the voltage across the capaciator is zero at time t=0 when a switch is closed putting the capacitor into contact with a power supply of 301 V. If the combined external and internal resistance is 245 &Omega and the capacitance is 63 mF, how long will it take for the capacitor's voltage to reach 192.0 V?
a) 1.296E+01 s
b) 1.425E+01 s
c) 1.568E+01 s
d) 1.725E+01 s
e) 1.897E+01 s

3) A battery with a terminal voltage of 14.1 V is connected to a circuit consisting of 3 15.7 Ω resistors and one 10.2 Ω resistor. What is the voltage drop across the 10.2 Ω resistor?

a) 2.074E+00 V
b) 2.282E+00 V
c) 2.510E+00 V
d) 2.761E+00 V
e) 3.037E+00 V

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

QB153086031104

1)
Two sources of emf ε1=52.7 V, and ε2=17.5 V are oriented as shownin the circuit. The resistances are R1=5.86 kΩ and R2=2.08 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=3.48 mA and I4=0.988 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R1?
+a) 2.064E+01 V
-b) 2.270E+01 V
-c) 2.497E+01 V
-d) 2.747E+01 V
-e) 3.021E+01 V
2)
In the circuit shown the voltage across the capaciator is zero at time t=0 when a switch is closed putting the capacitor into contact with a power supply of 301 V. If the combined external and internal resistance is 245 &Omega and the capacitance is 63 mF, how long will it take for the capacitor's voltage to reach 192.0 V?
-a) 1.296E+01 s
-b) 1.425E+01 s
+c) 1.568E+01 s
-d) 1.725E+01 s
-e) 1.897E+01 s

3) A battery with a terminal voltage of 14.1 V is connected to a circuit consisting of 3 15.7 Ω resistors and one 10.2 Ω resistor. What is the voltage drop across the 10.2 Ω resistor?

-a) 2.074E+00 V
-b) 2.282E+00 V
+c) 2.510E+00 V
-d) 2.761E+00 V
-e) 3.037E+00 V

### QB:Ch 10:V2

QB153086031104

1)
In the circuit shown the voltage across the capaciator is zero at time t=0 when a switch is closed putting the capacitor into contact with a power supply of 319 V. If the combined external and internal resistance is 231 &Omega and the capacitance is 64 mF, how long will it take for the capacitor's voltage to reach 175.0 V?
a) 9.718E+00 s
b) 1.069E+01 s
c) 1.176E+01 s
d) 1.293E+01 s
e) 1.423E+01 s
2)
Two sources of emf ε1=52.7 V, and ε2=17.5 V are oriented as shownin the circuit. The resistances are R1=5.86 kΩ and R2=2.08 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=3.48 mA and I4=0.988 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R1?
a) 2.064E+01 V
b) 2.270E+01 V
c) 2.497E+01 V
d) 2.747E+01 V
e) 3.021E+01 V

3) A battery with a terminal voltage of 8.01 V is connected to a circuit consisting of 3 22.1 Ω resistors and one 14.5 Ω resistor. What is the voltage drop across the 14.5 Ω resistor?

a) 9.818E-01 V
b) 1.080E+00 V
c) 1.188E+00 V
d) 1.307E+00 V
e) 1.437E+00 V

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

QB153086031104

1)
In the circuit shown the voltage across the capaciator is zero at time t=0 when a switch is closed putting the capacitor into contact with a power supply of 319 V. If the combined external and internal resistance is 231 &Omega and the capacitance is 64 mF, how long will it take for the capacitor's voltage to reach 175.0 V?
-a) 9.718E+00 s
-b) 1.069E+01 s
+c) 1.176E+01 s
-d) 1.293E+01 s
-e) 1.423E+01 s
2)
Two sources of emf ε1=52.7 V, and ε2=17.5 V are oriented as shownin the circuit. The resistances are R1=5.86 kΩ and R2=2.08 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=3.48 mA and I4=0.988 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R1?
+a) 2.064E+01 V
-b) 2.270E+01 V
-c) 2.497E+01 V
-d) 2.747E+01 V
-e) 3.021E+01 V

3) A battery with a terminal voltage of 8.01 V is connected to a circuit consisting of 3 22.1 Ω resistors and one 14.5 Ω resistor. What is the voltage drop across the 14.5 Ω resistor?

-a) 9.818E-01 V
-b) 1.080E+00 V
-c) 1.188E+00 V
-d) 1.307E+00 V
+e) 1.437E+00 V

### QB:Ch 11:V0

QB153086031104

1) A circular current loop of radius 1.11 cm carries a current of 4.0 mA. What is the magnitude of the torque if the dipole is oriented at 68 ° to a uniform magnetic fied of 0.173 T?

a) 1.866E-07 N m
b) 2.052E-07 N m
c) 2.258E-07 N m
d) 2.484E-07 N m
e) 2.732E-07 N m

2) A charged particle in a magnetic field of 3.820E-04 T is moving perpendicular to the magnetic field with a speed of 3.890E+05 m/s. What is the period of orbit if orbital radius is 0.718 m?

a) 8.713E-06 s
b) 9.584E-06 s
c) 1.054E-05 s
d) 1.160E-05 s
e) 1.276E-05 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

QB153086031104

1) A circular current loop of radius 1.11 cm carries a current of 4.0 mA. What is the magnitude of the torque if the dipole is oriented at 68 ° to a uniform magnetic fied of 0.173 T?

-a) 1.866E-07 N m
-b) 2.052E-07 N m
-c) 2.258E-07 N m
+d) 2.484E-07 N m
-e) 2.732E-07 N m

2) A charged particle in a magnetic field of 3.820E-04 T is moving perpendicular to the magnetic field with a speed of 3.890E+05 m/s. What is the period of orbit if orbital radius is 0.718 m?

-a) 8.713E-06 s
-b) 9.584E-06 s
-c) 1.054E-05 s
+d) 1.160E-05 s
-e) 1.276E-05 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

QB153086031104

1) A charged particle in a magnetic field of 1.750E-04 T is moving perpendicular to the magnetic field with a speed of 2.330E+05 m/s. What is the period of orbit if orbital radius is 0.893 m?

a) 2.189E-05 s
b) 2.408E-05 s
c) 2.649E-05 s
d) 2.914E-05 s
e) 3.205E-05 s

2) A 72 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 14 g, and the magnitude of the magnetic field is 0.54 T. What current is required to maintain this balance?

a) 2.651E-01 A
b) 2.916E-01 A
c) 3.208E-01 A
d) 3.529E-01 A
e) 3.882E-01 A

3) A circular current loop of radius 1.88 cm carries a current of 3.41 mA. What is the magnitude of the torque if the dipole is oriented at 62 ° to a uniform magnetic fied of 0.415 T?

a) 1.387E-06 N m
b) 1.526E-06 N m
c) 1.679E-06 N m
d) 1.847E-06 N m
e) 2.031E-06 N m

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

QB153086031104

1) A charged particle in a magnetic field of 1.750E-04 T is moving perpendicular to the magnetic field with a speed of 2.330E+05 m/s. What is the period of orbit if orbital radius is 0.893 m?

-a) 2.189E-05 s
+b) 2.408E-05 s
-c) 2.649E-05 s
-d) 2.914E-05 s
-e) 3.205E-05 s

2) A 72 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 14 g, and the magnitude of the magnetic field is 0.54 T. What current is required to maintain this balance?

-a) 2.651E-01 A
-b) 2.916E-01 A
-c) 3.208E-01 A
+d) 3.529E-01 A
-e) 3.882E-01 A

3) A circular current loop of radius 1.88 cm carries a current of 3.41 mA. What is the magnitude of the torque if the dipole is oriented at 62 ° to a uniform magnetic fied of 0.415 T?

+a) 1.387E-06 N m
-b) 1.526E-06 N m
-c) 1.679E-06 N m
-d) 1.847E-06 N m
-e) 2.031E-06 N m

### QB:Ch 11:V2

QB153086031104

1) A 92 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 15 g, and the magnitude of the magnetic field is 0.713 T. What current is required to maintain this balance?

a) 2.037E-01 A
b) 2.241E-01 A
c) 2.465E-01 A
d) 2.712E-01 A
e) 2.983E-01 A

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 circular current loop of radius 2.84 cm carries a current of 3.01 mA. What is the magnitude of the torque if the dipole is oriented at 63 ° to a uniform magnetic fied of 0.174 T?

a) 1.075E-06 N m
b) 1.182E-06 N m
c) 1.301E-06 N m
d) 1.431E-06 N m
e) 1.574E-06 N m

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

QB153086031104

1) A 92 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 15 g, and the magnitude of the magnetic field is 0.713 T. What current is required to maintain this balance?

-a) 2.037E-01 A
+b) 2.241E-01 A
-c) 2.465E-01 A
-d) 2.712E-01 A
-e) 2.983E-01 A

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 circular current loop of radius 2.84 cm carries a current of 3.01 mA. What is the magnitude of the torque if the dipole is oriented at 63 ° to a uniform magnetic fied of 0.174 T?

-a) 1.075E-06 N m
+b) 1.182E-06 N m
-c) 1.301E-06 N m
-d) 1.431E-06 N m
-e) 1.574E-06 N m

### QB:Ch 12:V0

QB153086031104

1) A solenoid has 9.160E+04 turns wound around a cylinder of diameter 1.64 cm and length 16 m. The current through the coils is 0.873 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=−1.74 cm to z=+4.75 cm

a) 3.369E-04 T-m
b) 3.706E-04 T-m
c) 4.076E-04 T-m
d) 4.484E-04 T-m
e) 4.932E-04 T-m

2) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 2.64 mm from the center of a wire of radius 5 mm if the current is 1A?

a) 1.920E-05 T
b) 2.112E-05 T
c) 2.323E-05 T
d) 2.556E-05 T
e) 2.811E-05 T

3) Two loops of wire carry the same current of 14 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.835 m while the other has a radius of 1.29 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 0.607 m from the first (smaller) loopif the disance between the loops is 1.61 m?

a) 6.099E-03 T
b) 6.709E-03 T
c) 7.380E-03 T
d) 8.118E-03 T
e) 8.930E-03 T

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

QB153086031104

1) A solenoid has 9.160E+04 turns wound around a cylinder of diameter 1.64 cm and length 16 m. The current through the coils is 0.873 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=−1.74 cm to z=+4.75 cm

-a) 3.369E-04 T-m
-b) 3.706E-04 T-m
+c) 4.076E-04 T-m
-d) 4.484E-04 T-m
-e) 4.932E-04 T-m

2) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 2.64 mm from the center of a wire of radius 5 mm if the current is 1A?

-a) 1.920E-05 T
+b) 2.112E-05 T
-c) 2.323E-05 T
-d) 2.556E-05 T
-e) 2.811E-05 T

3) Two loops of wire carry the same current of 14 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.835 m while the other has a radius of 1.29 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 0.607 m from the first (smaller) loopif the disance between the loops is 1.61 m?

-a) 6.099E-03 T
-b) 6.709E-03 T
-c) 7.380E-03 T
-d) 8.118E-03 T
+e) 8.930E-03 T

### QB:Ch 12:V1

QB153086031104

1) Two loops of wire carry the same current of 14 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.835 m while the other has a radius of 1.29 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 0.607 m from the first (smaller) loopif the disance between the loops is 1.61 m?

a) 6.099E-03 T
b) 6.709E-03 T
c) 7.380E-03 T
d) 8.118E-03 T
e) 8.930E-03 T

2) A solenoid has 4.380E+04 turns wound around a cylinder of diameter 1.77 cm and length 16 m. The current through the coils is 0.916 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=−4.39 cm to z=+4.26 cm

a) 2.478E-04 T-m
b) 2.726E-04 T-m
c) 2.998E-04 T-m
d) 3.298E-04 T-m
e) 3.628E-04 T-m

3) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 2.04 mm from the center of a wire of radius 5 mm if the current is 1A?

a) 1.115E-05 T
b) 1.226E-05 T
c) 1.349E-05 T
d) 1.484E-05 T
e) 1.632E-05 T

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

QB153086031104

1) Two loops of wire carry the same current of 14 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.835 m while the other has a radius of 1.29 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 0.607 m from the first (smaller) loopif the disance between the loops is 1.61 m?

-a) 6.099E-03 T
-b) 6.709E-03 T
-c) 7.380E-03 T
-d) 8.118E-03 T
+e) 8.930E-03 T

2) A solenoid has 4.380E+04 turns wound around a cylinder of diameter 1.77 cm and length 16 m. The current through the coils is 0.916 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=−4.39 cm to z=+4.26 cm

-a) 2.478E-04 T-m
+b) 2.726E-04 T-m
-c) 2.998E-04 T-m
-d) 3.298E-04 T-m
-e) 3.628E-04 T-m

3) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 2.04 mm from the center of a wire of radius 5 mm if the current is 1A?

-a) 1.115E-05 T
-b) 1.226E-05 T
-c) 1.349E-05 T
-d) 1.484E-05 T
+e) 1.632E-05 T

### QB:Ch 12:V2

QB153086031104

1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.86 mm from the center of a wire of radius 5 mm if the current is 1A?

a) 1.488E-05 T
b) 1.637E-05 T
c) 1.800E-05 T
d) 1.981E-05 T
e) 2.179E-05 T

2) A solenoid has 8.890E+04 turns wound around a cylinder of diameter 1.32 cm and length 15 m. The current through the coils is 0.297 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=−1.41 cm to z=+2.56 cm

a) 7.257E-05 T-m
b) 7.983E-05 T-m
c) 8.781E-05 T-m
d) 9.660E-05 T-m
e) 1.063E-04 T-m

3) Two loops of wire carry the same current of 99 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.798 m while the other has a radius of 1.29 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 0.394 m from the first (smaller) loopif the disance between the loops is 1.29 m?

a) 8.291E-02 T
b) 9.120E-02 T
c) 1.003E-01 T
d) 1.104E-01 T
e) 1.214E-01 T

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

QB153086031104

1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.86 mm from the center of a wire of radius 5 mm if the current is 1A?

+a) 1.488E-05 T
-b) 1.637E-05 T
-c) 1.800E-05 T
-d) 1.981E-05 T
-e) 2.179E-05 T

2) A solenoid has 8.890E+04 turns wound around a cylinder of diameter 1.32 cm and length 15 m. The current through the coils is 0.297 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=−1.41 cm to z=+2.56 cm

-a) 7.257E-05 T-m
-b) 7.983E-05 T-m
+c) 8.781E-05 T-m
-d) 9.660E-05 T-m
-e) 1.063E-04 T-m

3) Two loops of wire carry the same current of 99 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.798 m while the other has a radius of 1.29 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 0.394 m from the first (smaller) loopif the disance between the loops is 1.29 m?

+a) 8.291E-02 T
-b) 9.120E-02 T
-c) 1.003E-01 T
-d) 1.104E-01 T
-e) 1.214E-01 T

### QB:Ch 13:V0

QB153086031104

1) 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

2) A square coil has sides that are L= 0.259 m long and is tightly wound with N=628 turns of wire. The resistance of the coil is R=6.51 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0372 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

a) 1.809E-01 A
b) 1.989E-01 A
c) 2.188E-01 A
d) 2.407E-01 A
e) 2.648E-01 A

3) A long solenoid has a radius of 0.447 m and 85 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 =}$23 s−1.What is the induced electric fied at a distance 0.212 m from the axis at time t=0.0819 s ?

a) 1.893E-04 V/m
b) 2.082E-04 V/m
c) 2.290E-04 V/m
d) 2.519E-04 V/m
e) 2.771E-04 V/m

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

QB153086031104

1) 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

2) A square coil has sides that are L= 0.259 m long and is tightly wound with N=628 turns of wire. The resistance of the coil is R=6.51 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0372 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

-a) 1.809E-01 A
-b) 1.989E-01 A
-c) 2.188E-01 A
+d) 2.407E-01 A
-e) 2.648E-01 A

3) A long solenoid has a radius of 0.447 m and 85 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 =}$23 s−1.What is the induced electric fied at a distance 0.212 m from the axis at time t=0.0819 s ?

-a) 1.893E-04 V/m
-b) 2.082E-04 V/m
-c) 2.290E-04 V/m
-d) 2.519E-04 V/m
+e) 2.771E-04 V/m

### QB:Ch 13:V1

QB153086031104

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.227 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (5.55)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$3.92 s. What is the current in the coil if the impedance of the coil is 22.7 Ω?

a) 1.082E-01 A
b) 1.190E-01 A
c) 1.309E-01 A
d) 1.440E-01 A
e) 1.584E-01 A

2) A long solenoid has a radius of 0.845 m and 78 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$3 A and ${\displaystyle \alpha =}$20 s−1.What is the induced electric fied at a distance 0.214 m from the axis at time t=0.0655 s ?

a) 1.160E-04 V/m
b) 1.276E-04 V/m
c) 1.403E-04 V/m
d) 1.544E-04 V/m
e) 1.698E-04 V/m

3) A square coil has sides that are L= 0.894 m long and is tightly wound with N=255 turns of wire. The resistance of the coil is R=8.83 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0682 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

a) 1.301E+00 A
b) 1.431E+00 A
c) 1.574E+00 A
d) 1.732E+00 A
e) 1.905E+00 A

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

QB153086031104

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.227 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (5.55)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$3.92 s. What is the current in the coil if the impedance of the coil is 22.7 Ω?

-a) 1.082E-01 A
+b) 1.190E-01 A
-c) 1.309E-01 A
-d) 1.440E-01 A
-e) 1.584E-01 A

2) A long solenoid has a radius of 0.845 m and 78 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$3 A and ${\displaystyle \alpha =}$20 s−1.What is the induced electric fied at a distance 0.214 m from the axis at time t=0.0655 s ?

-a) 1.160E-04 V/m
-b) 1.276E-04 V/m
-c) 1.403E-04 V/m
-d) 1.544E-04 V/m
+e) 1.698E-04 V/m

3) A square coil has sides that are L= 0.894 m long and is tightly wound with N=255 turns of wire. The resistance of the coil is R=8.83 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0682 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

-a) 1.301E+00 A
-b) 1.431E+00 A
+c) 1.574E+00 A
-d) 1.732E+00 A
-e) 1.905E+00 A

### QB:Ch 13:V2

QB153086031104

1) A long solenoid has a radius of 0.447 m and 85 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 =}$23 s−1.What is the induced electric fied at a distance 0.212 m from the axis at time t=0.0819 s ?

a) 1.893E-04 V/m
b) 2.082E-04 V/m
c) 2.290E-04 V/m
d) 2.519E-04 V/m
e) 2.771E-04 V/m

2) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.861 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (5.39)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$4.2 s. What is the current in the coil if the impedance of the coil is 19.8 Ω?

a) 1.751E+00 A
b) 1.926E+00 A
c) 2.119E+00 A
d) 2.331E+00 A
e) 2.564E+00 A

3) A square coil has sides that are L= 0.727 m long and is tightly wound with N=376 turns of wire. The resistance of the coil is R=5.59 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0485 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

a) 1.567E+00 A
b) 1.724E+00 A
c) 1.897E+00 A
d) 2.086E+00 A
e) 2.295E+00 A

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

QB153086031104

1) A long solenoid has a radius of 0.447 m and 85 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 =}$23 s−1.What is the induced electric fied at a distance 0.212 m from the axis at time t=0.0819 s ?

-a) 1.893E-04 V/m
-b) 2.082E-04 V/m
-c) 2.290E-04 V/m
-d) 2.519E-04 V/m
+e) 2.771E-04 V/m

2) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.861 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (5.39)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$4.2 s. What is the current in the coil if the impedance of the coil is 19.8 Ω?

-a) 1.751E+00 A
-b) 1.926E+00 A
+c) 2.119E+00 A
-d) 2.331E+00 A
-e) 2.564E+00 A

3) A square coil has sides that are L= 0.727 m long and is tightly wound with N=376 turns of wire. The resistance of the coil is R=5.59 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0485 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

-a) 1.567E+00 A
+b) 1.724E+00 A
-c) 1.897E+00 A
-d) 2.086E+00 A
-e) 2.295E+00 A

### QB:Ch 14:V0

QB153086031104

1)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =5.9 s if ε = 7.85 V , R = 6.89 Ω, and L = 7.36 H?
a) 6.567E-01 V
b) 7.880E-01 V
c) 9.456E-01 V
d) 1.135E+00 V
e) 1.362E+00 V

2) An induced emf of 7.94V is measured across a coil of 94 closely wound turns while the current throuth it increases uniformly from 0.0 to 5.65A in 0.478s. What is the self-inductance of the coil?

a) 5.047E-01 H
b) 5.552E-01 H
c) 6.107E-01 H
d) 6.717E-01 H
e) 7.389E-01 H

3) A washer has an inner diameter of 2.37 cm and an outer diamter of 4.84 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.67mm}$, and ${\displaystyle n=2.56}$. What is the volume of the washer?

a) 1.570E+00 cm3
b) 1.727E+00 cm3
c) 1.900E+00 cm3
d) 2.090E+00 cm3
e) 2.299E+00 cm3

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

QB153086031104

1)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =5.9 s if ε = 7.85 V , R = 6.89 Ω, and L = 7.36 H?
-a) 6.567E-01 V
-b) 7.880E-01 V
-c) 9.456E-01 V
+d) 1.135E+00 V
-e) 1.362E+00 V

2) An induced emf of 7.94V is measured across a coil of 94 closely wound turns while the current throuth it increases uniformly from 0.0 to 5.65A in 0.478s. What is the self-inductance of the coil?

-a) 5.047E-01 H
-b) 5.552E-01 H
-c) 6.107E-01 H
+d) 6.717E-01 H
-e) 7.389E-01 H

3) A washer has an inner diameter of 2.37 cm and an outer diamter of 4.84 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.67mm}$, and ${\displaystyle n=2.56}$. What is the volume of the washer?

+a) 1.570E+00 cm3
-b) 1.727E+00 cm3
-c) 1.900E+00 cm3
-d) 2.090E+00 cm3
-e) 2.299E+00 cm3

### QB:Ch 14:V1

QB153086031104

1)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =0.741 s if ε = 7.36 V , R = 5.33 Ω, and L = 1.27 H?
a) 7.635E-01 V
b) 9.162E-01 V
c) 1.099E+00 V
d) 1.319E+00 V
e) 1.583E+00 V

2) An induced emf of 6.78V is measured across a coil of 58 closely wound turns while the current throuth it increases uniformly from 0.0 to 3.98A in 0.726s. What is the self-inductance of the coil?

a) 1.022E+00 H
b) 1.124E+00 H
c) 1.237E+00 H
d) 1.360E+00 H
e) 1.496E+00 H

3) A washer has an inner diameter of 2.75 cm and an outer diamter of 4.62 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=3.66mm}$, and ${\displaystyle n=2.61}$. What is the volume of the washer?

a) 6.960E-01 cm3
b) 7.656E-01 cm3
c) 8.421E-01 cm3
d) 9.264E-01 cm3
e) 1.019E+00 cm3

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

QB153086031104

1)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =0.741 s if ε = 7.36 V , R = 5.33 Ω, and L = 1.27 H?
-a) 7.635E-01 V
-b) 9.162E-01 V
-c) 1.099E+00 V
+d) 1.319E+00 V
-e) 1.583E+00 V

2) An induced emf of 6.78V is measured across a coil of 58 closely wound turns while the current throuth it increases uniformly from 0.0 to 3.98A in 0.726s. What is the self-inductance of the coil?

-a) 1.022E+00 H
-b) 1.124E+00 H
+c) 1.237E+00 H
-d) 1.360E+00 H
-e) 1.496E+00 H

3) A washer has an inner diameter of 2.75 cm and an outer diamter of 4.62 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=3.66mm}$, and ${\displaystyle n=2.61}$. What is the volume of the washer?

-a) 6.960E-01 cm3
-b) 7.656E-01 cm3
+c) 8.421E-01 cm3
-d) 9.264E-01 cm3
-e) 1.019E+00 cm3

### QB:Ch 14:V2

QB153086031104

1) A washer has an inner diameter of 2.46 cm and an outer diamter of 4.24 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.32mm}$, and ${\displaystyle n=2.63}$. What is the volume of the washer?

a) 7.499E-01 cm3
b) 8.249E-01 cm3
c) 9.074E-01 cm3
d) 9.982E-01 cm3
e) 1.098E+00 cm3

2) 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
3)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =1.55 s if ε = 5.97 V , R = 7.74 Ω, and L = 2.62 H?
a) 3.682E-01 V
b) 4.418E-01 V
c) 5.301E-01 V
d) 6.362E-01 V
e) 7.634E-01 V

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

QB153086031104

1) A washer has an inner diameter of 2.46 cm and an outer diamter of 4.24 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.32mm}$, and ${\displaystyle n=2.63}$. What is the volume of the washer?

-a) 7.499E-01 cm3
-b) 8.249E-01 cm3
-c) 9.074E-01 cm3
-d) 9.982E-01 cm3
+e) 1.098E+00 cm3

2) 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
3)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =1.55 s if ε = 5.97 V , R = 7.74 Ω, and L = 2.62 H?
-a) 3.682E-01 V
-b) 4.418E-01 V
-c) 5.301E-01 V
-d) 6.362E-01 V
+e) 7.634E-01 V

### QB:Ch 15:V0

QB153086031104

1) The output of an ac generator connected to an RLC series combination has a frequency of 890 Hz and an amplitude of 0.12 V;. If R =8 Ω, L= 8.60E-03H , and C=9.90E-04 F, what is the impedance?

a) 3.318E+01 Ω
b) 3.649E+01 Ω
c) 4.014E+01 Ω
d) 4.416E+01 Ω
e) 4.857E+01 Ω

2) An ac generator produces an emf of amplitude 66 V at a frequency of 180 Hz. What is the maximum amplitude of the current if the generator is connected to a 97 mF inductor?

a) 4.972E-01 A
b) 5.469E-01 A
c) 6.016E-01 A
d) 6.618E-01 A
e) 7.280E-01 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.25 V. The resistance, inductance, and capacitance are R =7 Ω, L= 5.00E-03H , and C=7.70E-04 F, respectively. What is the amplitude of the current?

a) 2.439E-02 A
b) 2.683E-02 A
c) 2.952E-02 A
d) 3.247E-02 A
e) 3.571E-02 A

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

QB153086031104

1) The output of an ac generator connected to an RLC series combination has a frequency of 890 Hz and an amplitude of 0.12 V;. If R =8 Ω, L= 8.60E-03H , and C=9.90E-04 F, what is the impedance?

-a) 3.318E+01 Ω
-b) 3.649E+01 Ω
-c) 4.014E+01 Ω
-d) 4.416E+01 Ω
+e) 4.857E+01 Ω

2) An ac generator produces an emf of amplitude 66 V at a frequency of 180 Hz. What is the maximum amplitude of the current if the generator is connected to a 97 mF inductor?

-a) 4.972E-01 A
-b) 5.469E-01 A
+c) 6.016E-01 A
-d) 6.618E-01 A
-e) 7.280E-01 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.25 V. The resistance, inductance, and capacitance are R =7 Ω, L= 5.00E-03H , and C=7.70E-04 F, respectively. What is the amplitude of the current?

-a) 2.439E-02 A
-b) 2.683E-02 A
-c) 2.952E-02 A
-d) 3.247E-02 A
+e) 3.571E-02 A

### QB:Ch 15:V1

QB153086031104

1) The output of an ac generator connected to an RLC series combination has a frequency of 680 Hz and an amplitude of 0.79 V;. If R =5 Ω, L= 2.40E-03H , and C=9.10E-04 F, what is the impedance?

a) 8.398E+00 Ω
b) 9.238E+00 Ω
c) 1.016E+01 Ω
d) 1.118E+01 Ω
e) 1.230E+01 Ω

2) An ac generator produces an emf of amplitude 97 V at a frequency of 64 Hz. What is the maximum amplitude of the current if the generator is connected to a 55 mF inductor?

a) 4.386E+00 A
b) 4.824E+00 A
c) 5.307E+00 A
d) 5.838E+00 A
e) 6.421E+00 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.83 V. The resistance, inductance, and capacitance are R =4 Ω, L= 4.60E-03H , and C=8.10E-04 F, respectively. What is the amplitude of the current?

a) 1.417E-01 A
b) 1.559E-01 A
c) 1.715E-01 A
d) 1.886E-01 A
e) 2.075E-01 A

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

QB153086031104

1) The output of an ac generator connected to an RLC series combination has a frequency of 680 Hz and an amplitude of 0.79 V;. If R =5 Ω, L= 2.40E-03H , and C=9.10E-04 F, what is the impedance?

-a) 8.398E+00 Ω
-b) 9.238E+00 Ω
-c) 1.016E+01 Ω
+d) 1.118E+01 Ω
-e) 1.230E+01 Ω

2) An ac generator produces an emf of amplitude 97 V at a frequency of 64 Hz. What is the maximum amplitude of the current if the generator is connected to a 55 mF inductor?

+a) 4.386E+00 A
-b) 4.824E+00 A
-c) 5.307E+00 A
-d) 5.838E+00 A
-e) 6.421E+00 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.83 V. The resistance, inductance, and capacitance are R =4 Ω, L= 4.60E-03H , and C=8.10E-04 F, respectively. What is the amplitude of the current?

-a) 1.417E-01 A
-b) 1.559E-01 A
-c) 1.715E-01 A
-d) 1.886E-01 A
+e) 2.075E-01 A

### QB:Ch 15:V2

QB153086031104

1) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.44 V. The resistance, inductance, and capacitance are R =7 Ω, L= 5.40E-03H , and C=5.70E-04 F, respectively. What is the amplitude of the current?

a) 4.723E-02 A
b) 5.195E-02 A
c) 5.714E-02 A
d) 6.286E-02 A
e) 6.914E-02 A

2) An ac generator produces an emf of amplitude 40 V at a frequency of 130 Hz. What is the maximum amplitude of the current if the generator is connected to a 52 mF inductor?

a) 7.783E-01 A
b) 8.561E-01 A
c) 9.417E-01 A
d) 1.036E+00 A
e) 1.140E+00 A

3) The output of an ac generator connected to an RLC series combination has a frequency of 910 Hz and an amplitude of 0.88 V;. If R =7 Ω, L= 6.80E-03H , and C=9.60E-04 F, what is the impedance?

a) 3.575E+01 Ω
b) 3.933E+01 Ω
c) 4.326E+01 Ω
d) 4.758E+01 Ω
e) 5.234E+01 Ω

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

QB153086031104

1) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.44 V. The resistance, inductance, and capacitance are R =7 Ω, L= 5.40E-03H , and C=5.70E-04 F, respectively. What is the amplitude of the current?

-a) 4.723E-02 A
-b) 5.195E-02 A
-c) 5.714E-02 A
+d) 6.286E-02 A
-e) 6.914E-02 A

2) An ac generator produces an emf of amplitude 40 V at a frequency of 130 Hz. What is the maximum amplitude of the current if the generator is connected to a 52 mF inductor?

-a) 7.783E-01 A
-b) 8.561E-01 A
+c) 9.417E-01 A
-d) 1.036E+00 A
-e) 1.140E+00 A

3) The output of an ac generator connected to an RLC series combination has a frequency of 910 Hz and an amplitude of 0.88 V;. If R =7 Ω, L= 6.80E-03H , and C=9.60E-04 F, what is the impedance?

-a) 3.575E+01 Ω
+b) 3.933E+01 Ω
-c) 4.326E+01 Ω
-d) 4.758E+01 Ω
-e) 5.234E+01 Ω

### QB:Ch 16:V0

QB153086031104

1) A 48 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 80 kW?

a) 1.678E+02 km
b) 1.846E+02 km
c) 2.031E+02 km
d) 2.234E+02 km
e) 2.457E+02 km
2)
A parallel plate capacitor with a capicatnce C=6.90E-06 F whose plates have an area A=5.80E+03 m2 and separation d=7.40E-03 m is connected via a swith to a 26 Ω resistor and a battery of voltage V0=9 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=4.70E-04?
a) 1.894E-02 A
b) 2.083E-02 A
c) 2.291E-02 A
d) 2.520E-02 A
e) 2.773E-02 A
3)
A parallel plate capacitor with a capicatnce C=8.20E-06 F whose plates have an area A=4.10E+03 m2 and separation d=4.40E-03 m is connected via a swith to a 87 Ω resistor and a battery of voltage V0=37 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=9.20E-04?
a) 4.578E+03 V/m
b) 5.036E+03 V/m
c) 5.539E+03 V/m
d) 6.093E+03 V/m
e) 6.703E+03 V/m

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

QB153086031104

1) A 48 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 80 kW?

+a) 1.678E+02 km
-b) 1.846E+02 km
-c) 2.031E+02 km
-d) 2.234E+02 km
-e) 2.457E+02 km
2)
A parallel plate capacitor with a capicatnce C=6.90E-06 F whose plates have an area A=5.80E+03 m2 and separation d=7.40E-03 m is connected via a swith to a 26 Ω resistor and a battery of voltage V0=9 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=4.70E-04?
-a) 1.894E-02 A
-b) 2.083E-02 A
-c) 2.291E-02 A
+d) 2.520E-02 A
-e) 2.773E-02 A
3)
A parallel plate capacitor with a capicatnce C=8.20E-06 F whose plates have an area A=4.10E+03 m2 and separation d=4.40E-03 m is connected via a swith to a 87 Ω resistor and a battery of voltage V0=37 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=9.20E-04?
-a) 4.578E+03 V/m
-b) 5.036E+03 V/m
-c) 5.539E+03 V/m
+d) 6.093E+03 V/m
-e) 6.703E+03 V/m

### QB:Ch 16:V1

QB153086031104

1)
A parallel plate capacitor with a capicatnce C=3.80E-06 F whose plates have an area A=3.00E+03 m2 and separation d=7.10E-03 m is connected via a swith to a 78 Ω resistor and a battery of voltage V0=25 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=1.30E-03?
a) 2.998E-03 A
b) 3.298E-03 A
c) 3.628E-03 A
d) 3.991E-03 A
e) 4.390E-03 A
2)
A parallel plate capacitor with a capicatnce C=8.20E-06 F whose plates have an area A=6.20E+03 m2 and separation d=6.70E-03 m is connected via a swith to a 75 Ω resistor and a battery of voltage V0=17 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=6.50E-04?
a) 1.505E+03 V/m
b) 1.656E+03 V/m
c) 1.821E+03 V/m
d) 2.003E+03 V/m
e) 2.204E+03 V/m

3) A 58 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 88 kW?

a) 1.111E+02 km
b) 1.222E+02 km
c) 1.344E+02 km
d) 1.478E+02 km
e) 1.626E+02 km

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

QB153086031104

1)
A parallel plate capacitor with a capicatnce C=3.80E-06 F whose plates have an area A=3.00E+03 m2 and separation d=7.10E-03 m is connected via a swith to a 78 Ω resistor and a battery of voltage V0=25 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=1.30E-03?
-a) 2.998E-03 A
-b) 3.298E-03 A
-c) 3.628E-03 A
+d) 3.991E-03 A
-e) 4.390E-03 A
2)
A parallel plate capacitor with a capicatnce C=8.20E-06 F whose plates have an area A=6.20E+03 m2 and separation d=6.70E-03 m is connected via a swith to a 75 Ω resistor and a battery of voltage V0=17 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=6.50E-04?
-a) 1.505E+03 V/m
+b) 1.656E+03 V/m
-c) 1.821E+03 V/m
-d) 2.003E+03 V/m
-e) 2.204E+03 V/m

3) A 58 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 88 kW?

-a) 1.111E+02 km
-b) 1.222E+02 km
-c) 1.344E+02 km
+d) 1.478E+02 km
-e) 1.626E+02 km

### QB:Ch 16:V2

QB153086031104

1) A 47 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 90 kW?

a) 1.799E+02 km
b) 1.979E+02 km
c) 2.177E+02 km
d) 2.394E+02 km
e) 2.634E+02 km
2)
A parallel plate capacitor with a capicatnce C=4.90E-06 F whose plates have an area A=3.00E+03 m2 and separation d=5.40E-03 m is connected via a swith to a 10 Ω resistor and a battery of voltage V0=12 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=2.00E-04?
a) 1.841E-02 A
b) 2.026E-02 A
c) 2.228E-02 A
d) 2.451E-02 A
e) 2.696E-02 A
3)
A parallel plate capacitor with a capicatnce C=2.60E-06 F whose plates have an area A=2.60E+03 m2 and separation d=9.00E-03 m is connected via a swith to a 63 Ω resistor and a battery of voltage V0=86 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=8.00E-04?
a) 7.125E+03 V/m
b) 7.837E+03 V/m
c) 8.621E+03 V/m
d) 9.483E+03 V/m
e) 1.043E+04 V/m

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

QB153086031104

1) A 47 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 90 kW?

+a) 1.799E+02 km
-b) 1.979E+02 km
-c) 2.177E+02 km
-d) 2.394E+02 km
-e) 2.634E+02 km
2)
A parallel plate capacitor with a capicatnce C=4.90E-06 F whose plates have an area A=3.00E+03 m2 and separation d=5.40E-03 m is connected via a swith to a 10 Ω resistor and a battery of voltage V0=12 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=2.00E-04?
-a) 1.841E-02 A
+b) 2.026E-02 A
-c) 2.228E-02 A
-d) 2.451E-02 A
-e) 2.696E-02 A
3)
A parallel plate capacitor with a capicatnce C=2.60E-06 F whose plates have an area A=2.60E+03 m2 and separation d=9.00E-03 m is connected via a swith to a 63 Ω resistor and a battery of voltage V0=86 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=8.00E-04?
-a) 7.125E+03 V/m
-b) 7.837E+03 V/m
-c) 8.621E+03 V/m
+d) 9.483E+03 V/m
-e) 1.043E+04 V/m