# Quizbank/Electricity and Magnetism (calculus based)/QB153089888070

QB153089888070

### QB:Ch 5:V0

QB153089888070

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=6\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=3e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=6e}$?
a) 1.028E-14 N
b) 1.130E-14 N
c) 1.244E-14 N
d) 1.368E-14 N
e) 1.505E-14 N

2) A large thin isolated square plate has an area of 6 m2. It is uniformly charged with 6 nC of charge. What is the magnitude of the electric field 2 mm from the center of the plate's surface?

a) 5.647E+01 N/C
b) 6.212E+01 N/C
c) 6.833E+01 N/C
d) 7.516E+01 N/C
e) 8.268E+01 N/C
3)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$.what angle does the force on ${\displaystyle q_{2}}$ make above the ${\displaystyle -x}$ axis if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-9e}$, and ${\displaystyle q_{3}=5e}$?
a) 3.961E+01 degrees
b) 4.357E+01 degrees
c) 4.793E+01 degrees
d) 5.272E+01 degrees
e) 5.799E+01 degrees

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

QB153089888070

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=6\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=3e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=6e}$?
-a) 1.028E-14 N
-b) 1.130E-14 N
-c) 1.244E-14 N
-d) 1.368E-14 N
+e) 1.505E-14 N

2) A large thin isolated square plate has an area of 6 m2. It is uniformly charged with 6 nC of charge. What is the magnitude of the electric field 2 mm from the center of the plate's surface?

+a) 5.647E+01 N/C
-b) 6.212E+01 N/C
-c) 6.833E+01 N/C
-d) 7.516E+01 N/C
-e) 8.268E+01 N/C
3)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$.what angle does the force on ${\displaystyle q_{2}}$ make above the ${\displaystyle -x}$ axis if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-9e}$, and ${\displaystyle q_{3}=5e}$?
-a) 3.961E+01 degrees
-b) 4.357E+01 degrees
-c) 4.793E+01 degrees
-d) 5.272E+01 degrees
+e) 5.799E+01 degrees

### QB:Ch 5:V1

QB153089888070

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=2\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=1e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=2e}$?
a) 3.391E-14 N
b) 3.731E-14 N
c) 4.104E-14 N
d) 4.514E-14 N
e) 4.965E-14 N

2) A large thin isolated square plate has an area of 6 m2. It is uniformly charged with 5 nC of charge. What is the magnitude of the electric field 1 mm from the center of the plate's surface?

a) 3.214E+01 N/C
b) 3.536E+01 N/C
c) 3.889E+01 N/C
d) 4.278E+01 N/C
e) 4.706E+01 N/C
3)
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 ${\displaystyle q_{1}=1e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=3e}$?
a) 3.629E+01 degrees
b) 3.992E+01 degrees
c) 4.391E+01 degrees
d) 4.830E+01 degrees
e) 5.313E+01 degrees

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

QB153089888070

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=2\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=1e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=2e}$?
-a) 3.391E-14 N
-b) 3.731E-14 N
-c) 4.104E-14 N
+d) 4.514E-14 N
-e) 4.965E-14 N

2) A large thin isolated square plate has an area of 6 m2. It is uniformly charged with 5 nC of charge. What is the magnitude of the electric field 1 mm from the center of the plate's surface?

-a) 3.214E+01 N/C
-b) 3.536E+01 N/C
-c) 3.889E+01 N/C
-d) 4.278E+01 N/C
+e) 4.706E+01 N/C
3)
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 ${\displaystyle q_{1}=1e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=3e}$?
-a) 3.629E+01 degrees
-b) 3.992E+01 degrees
-c) 4.391E+01 degrees
-d) 4.830E+01 degrees
+e) 5.313E+01 degrees

### QB:Ch 5:V2

QB153089888070

1) A large thin isolated square plate has an area of 5 m2. It is uniformly charged with 8 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

a) 6.171E+01 N/C
b) 6.788E+01 N/C
c) 7.467E+01 N/C
d) 8.214E+01 N/C
e) 9.035E+01 N/C
2)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=6\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=4e}$?
a) 8.613E-15 N
b) 9.474E-15 N
c) 1.042E-14 N
d) 1.146E-14 N
e) 1.261E-14 N
3)
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 ${\displaystyle q_{1}=3e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=5e}$?
a) 5.062E+01 degrees
b) 5.569E+01 degrees
c) 6.125E+01 degrees
d) 6.738E+01 degrees
e) 7.412E+01 degrees

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

QB153089888070

1) A large thin isolated square plate has an area of 5 m2. It is uniformly charged with 8 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

-a) 6.171E+01 N/C
-b) 6.788E+01 N/C
-c) 7.467E+01 N/C
-d) 8.214E+01 N/C
+e) 9.035E+01 N/C
2)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=6\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=4e}$?
-a) 8.613E-15 N
-b) 9.474E-15 N
-c) 1.042E-14 N
+d) 1.146E-14 N
-e) 1.261E-14 N
3)
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 ${\displaystyle q_{1}=3e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=5e}$?
-a) 5.062E+01 degrees
-b) 5.569E+01 degrees
-c) 6.125E+01 degrees
+d) 6.738E+01 degrees
-e) 7.412E+01 degrees

### QB:Ch 6:V0

QB153089888070

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=4, y=0), (x=0, y=3), and (x=4, y=3), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=2y^{2.7}{\hat {i}}+2x^{2.9}{\hat {j}}+2y^{2.0}{\hat {k}}}$

a) 7.200E+01 V·m
b) 7.920E+01 V·m
c) 8.712E+01 V·m
d) 9.583E+01 V·m
e) 1.054E+02 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=1.5 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=4.9 m, z=z0=1.1 m, and z=z1=4.4 m. The surfaces in the yz plane each have area 12.0m2. Those in the xy plane have area 5.3m2 ,and those in the zx plane have area 5.0m2. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 29° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 7.793E+01 N·m2/C
b) 8.572E+01 N·m2/C
c) 9.429E+01 N·m2/C
d) 1.037E+02 N·m2/C
e) 1.141E+02 N·m2/C

3) A non-conducting sphere of radius R=3.9 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 2.6 m from the center?

a) 3.821E+02 N/C
b) 4.203E+02 N/C
c) 4.624E+02 N/C
d) 5.086E+02 N/C
e) 5.594E+02 N/C

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

QB153089888070

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=4, y=0), (x=0, y=3), and (x=4, y=3), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=2y^{2.7}{\hat {i}}+2x^{2.9}{\hat {j}}+2y^{2.0}{\hat {k}}}$

+a) 7.200E+01 V·m
-b) 7.920E+01 V·m
-c) 8.712E+01 V·m
-d) 9.583E+01 V·m
-e) 1.054E+02 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=1.5 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=4.9 m, z=z0=1.1 m, and z=z1=4.4 m. The surfaces in the yz plane each have area 12.0m2. Those in the xy plane have area 5.3m2 ,and those in the zx plane have area 5.0m2. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 29° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
+a) 7.793E+01 N·m2/C
-b) 8.572E+01 N·m2/C
-c) 9.429E+01 N·m2/C
-d) 1.037E+02 N·m2/C
-e) 1.141E+02 N·m2/C

3) A non-conducting sphere of radius R=3.9 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 2.6 m from the center?

-a) 3.821E+02 N/C
-b) 4.203E+02 N/C
-c) 4.624E+02 N/C
+d) 5.086E+02 N/C
-e) 5.594E+02 N/C

### QB:Ch 6:V1

QB153089888070

1) 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

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=7, y=0), (x=0, y=5), and (x=7, y=5), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=1y^{2.4}{\hat {i}}+4x^{1.7}{\hat {j}}+4y^{2.1}{\hat {k}}}$

a) 1.206E+03 V·m
b) 1.326E+03 V·m
c) 1.459E+03 V·m
d) 1.605E+03 V·m
e) 1.765E+03 V·m
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=1.7 m. The other four surfaces are rectangles in y=y0=1.9 m, y=y1=4.3 m, z=z0=1.7 m, and z=z1=5.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 4.1m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 13 N/C has components in the y and z directions and is directed at 27° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 7.876E+01 N·m2/C
b) 8.664E+01 N·m2/C
c) 9.531E+01 N·m2/C
d) 1.048E+02 N·m2/C
e) 1.153E+02 N·m2/C

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

QB153089888070

1) 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

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=7, y=0), (x=0, y=5), and (x=7, y=5), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=1y^{2.4}{\hat {i}}+4x^{1.7}{\hat {j}}+4y^{2.1}{\hat {k}}}$

-a) 1.206E+03 V·m
+b) 1.326E+03 V·m
-c) 1.459E+03 V·m
-d) 1.605E+03 V·m
-e) 1.765E+03 V·m
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=1.7 m. The other four surfaces are rectangles in y=y0=1.9 m, y=y1=4.3 m, z=z0=1.7 m, and z=z1=5.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 4.1m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 13 N/C has components in the y and z directions and is directed at 27° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
+a) 7.876E+01 N·m2/C
-b) 8.664E+01 N·m2/C
-c) 9.531E+01 N·m2/C
-d) 1.048E+02 N·m2/C
-e) 1.153E+02 N·m2/C

### QB:Ch 6:V2

QB153089888070

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=2.3 m. The other four surfaces are rectangles in y=y0=1.2 m, y=y1=5.5 m, z=z0=1.7 m, and z=z1=5.1 m. The surfaces in the yz plane each have area 15.0m2. Those in the xy plane have area 9.9m2 ,and those in the zx plane have area 7.8m2. An electric field of magnitude 6 N/C has components in the y and z directions and is directed at 58° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 1.698E+01 N·m2/C
b) 1.868E+01 N·m2/C
c) 2.055E+01 N·m2/C
d) 2.260E+01 N·m2/C
e) 2.486E+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=4, y=0), (x=0, y=9), and (x=4, y=9), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=1y^{2.2}{\hat {i}}+1x^{3.3}{\hat {j}}+5y^{2.4}{\hat {k}}}$

a) 7.054E+03 V·m
b) 7.759E+03 V·m
c) 8.535E+03 V·m
d) 9.388E+03 V·m
e) 1.033E+04 V·m

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:V2

QB153089888070

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=2.3 m. The other four surfaces are rectangles in y=y0=1.2 m, y=y1=5.5 m, z=z0=1.7 m, and z=z1=5.1 m. The surfaces in the yz plane each have area 15.0m2. Those in the xy plane have area 9.9m2 ,and those in the zx plane have area 7.8m2. An electric field of magnitude 6 N/C has components in the y and z directions and is directed at 58° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 1.698E+01 N·m2/C
-b) 1.868E+01 N·m2/C
-c) 2.055E+01 N·m2/C
-d) 2.260E+01 N·m2/C
+e) 2.486E+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=4, y=0), (x=0, y=9), and (x=4, y=9), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=1y^{2.2}{\hat {i}}+1x^{3.3}{\hat {j}}+5y^{2.4}{\hat {k}}}$

-a) 7.054E+03 V·m
-b) 7.759E+03 V·m
-c) 8.535E+03 V·m
-d) 9.388E+03 V·m
+e) 1.033E+04 V·m

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 7:V0

QB153089888070

1) When a 6.32 V battery operates a 1.94 W bulb, how many electrons pass through it each second?

a) 1.439E+18 electrons
b) 1.583E+18 electrons
c) 1.742E+18 electrons
d) 1.916E+18 electrons
e) 2.107E+18 electrons

2) Two large parallel conducting plates are separated by 7.77 mm. Equal and opposite surface charges of 7.280E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 70 V?

a) 8.514E-01 mm
b) 9.791E-01 mm
c) 1.126E+00 mm
d) 1.295E+00 mm
e) 1.489E+00 mm
3)
A diploe has a charge magnitude of q=9 nC and a separation distance of d=4.48 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=3.8 cm, y=2.24 cm)? Note that following the textbook's example, the y-value of the field point at 2.24 cm matches the disance of the positive charge above the x-axis.
a) 5.134E+02 V
b) 5.648E+02 V
c) 6.212E+02 V
d) 6.834E+02 V
e) 7.517E+02 V

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

QB153089888070

1) When a 6.32 V battery operates a 1.94 W bulb, how many electrons pass through it each second?

-a) 1.439E+18 electrons
-b) 1.583E+18 electrons
-c) 1.742E+18 electrons
+d) 1.916E+18 electrons
-e) 2.107E+18 electrons

2) Two large parallel conducting plates are separated by 7.77 mm. Equal and opposite surface charges of 7.280E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 70 V?

+a) 8.514E-01 mm
-b) 9.791E-01 mm
-c) 1.126E+00 mm
-d) 1.295E+00 mm
-e) 1.489E+00 mm
3)
A diploe has a charge magnitude of q=9 nC and a separation distance of d=4.48 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=3.8 cm, y=2.24 cm)? Note that following the textbook's example, the y-value of the field point at 2.24 cm matches the disance of the positive charge above the x-axis.
-a) 5.134E+02 V
-b) 5.648E+02 V
-c) 6.212E+02 V
-d) 6.834E+02 V
+e) 7.517E+02 V

### QB:Ch 7:V1

QB153089888070

1) Two large parallel conducting plates are separated by 6.67 mm. Equal and opposite surface charges of 7.080E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 60 V?

a) 6.525E-01 mm
b) 7.504E-01 mm
c) 8.629E-01 mm
d) 9.923E-01 mm
e) 1.141E+00 mm
2)
A diploe has a charge magnitude of q=7 nC and a separation distance of d=4.48 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=3.69 cm, y=2.24 cm)? Note that following the textbook's example, the y-value of the field point at 2.24 cm matches the disance of the positive charge above the x-axis.
a) 5.645E+02 V
b) 6.210E+02 V
c) 6.831E+02 V
d) 7.514E+02 V
e) 8.266E+02 V

3) When a 6.97 V battery operates a 2.6 W bulb, how many electrons pass through it each second?

a) 1.749E+18 electrons
b) 1.924E+18 electrons
c) 2.117E+18 electrons
d) 2.328E+18 electrons
e) 2.561E+18 electrons

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

QB153089888070

1) Two large parallel conducting plates are separated by 6.67 mm. Equal and opposite surface charges of 7.080E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 60 V?

-a) 6.525E-01 mm
+b) 7.504E-01 mm
-c) 8.629E-01 mm
-d) 9.923E-01 mm
-e) 1.141E+00 mm
2)
A diploe has a charge magnitude of q=7 nC and a separation distance of d=4.48 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=3.69 cm, y=2.24 cm)? Note that following the textbook's example, the y-value of the field point at 2.24 cm matches the disance of the positive charge above the x-axis.
-a) 5.645E+02 V
+b) 6.210E+02 V
-c) 6.831E+02 V
-d) 7.514E+02 V
-e) 8.266E+02 V

3) When a 6.97 V battery operates a 2.6 W bulb, how many electrons pass through it each second?

-a) 1.749E+18 electrons
-b) 1.924E+18 electrons
-c) 2.117E+18 electrons
+d) 2.328E+18 electrons
-e) 2.561E+18 electrons

### QB:Ch 7:V2

QB153089888070

1) When a 6.97 V battery operates a 2.6 W bulb, how many electrons pass through it each second?

a) 1.749E+18 electrons
b) 1.924E+18 electrons
c) 2.117E+18 electrons
d) 2.328E+18 electrons
e) 2.561E+18 electrons

2) Two large parallel conducting plates are separated by 8.7 mm. Equal and opposite surface charges of 7.220E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 67 V?

a) 4.698E-01 mm
b) 5.402E-01 mm
c) 6.213E-01 mm
d) 7.145E-01 mm
e) 8.216E-01 mm
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

QB153089888070

1) When a 6.97 V battery operates a 2.6 W bulb, how many electrons pass through it each second?

-a) 1.749E+18 electrons
-b) 1.924E+18 electrons
-c) 2.117E+18 electrons
+d) 2.328E+18 electrons
-e) 2.561E+18 electrons

2) Two large parallel conducting plates are separated by 8.7 mm. Equal and opposite surface charges of 7.220E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 67 V?

-a) 4.698E-01 mm
-b) 5.402E-01 mm
-c) 6.213E-01 mm
-d) 7.145E-01 mm
+e) 8.216E-01 mm
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

QB153089888070

1)
What is the net capacitance if C1=2.49 μF, C2=4.24 μF, and C3=2.96 μF in the configuration shown?
a) 4.117E+00 μF
b) 4.529E+00 μF
c) 4.982E+00 μF
d) 5.480E+00 μF
e) 6.028E+00 μF
2)
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

3) An empty parallel-plate capacitor with metal plates has an area of 2.42 m2, separated by 1.33 mm. How much charge does it store if the voltage is 1.130E+03 V?

a) 1.368E+01 μC
b) 1.505E+01 μC
c) 1.655E+01 μC
d) 1.820E+01 μC
e) 2.003E+01 μC

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

QB153089888070

1)
What is the net capacitance if C1=2.49 μF, C2=4.24 μF, and C3=2.96 μF in the configuration shown?
-a) 4.117E+00 μF
+b) 4.529E+00 μF
-c) 4.982E+00 μF
-d) 5.480E+00 μF
-e) 6.028E+00 μF
2)
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

3) An empty parallel-plate capacitor with metal plates has an area of 2.42 m2, separated by 1.33 mm. How much charge does it store if the voltage is 1.130E+03 V?

-a) 1.368E+01 μC
-b) 1.505E+01 μC
-c) 1.655E+01 μC
+d) 1.820E+01 μC
-e) 2.003E+01 μC

### QB:Ch 8:V1

QB153089888070

1) An empty parallel-plate capacitor with metal plates has an area of 1.81 m2, separated by 1.26 mm. How much charge does it store if the voltage is 4.610E+03 V?

a) 4.005E+01 μC
b) 4.405E+01 μC
c) 4.846E+01 μC
d) 5.330E+01 μC
e) 5.864E+01 μC
2)
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
3)
What is the net capacitance if C1=2.24 μF, C2=4.86 μF, and C3=3.64 μF in the configuration shown?
a) 4.275E+00 μF
b) 4.703E+00 μF
c) 5.173E+00 μF
d) 5.691E+00 μF
e) 6.260E+00 μF

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

QB153089888070

1) An empty parallel-plate capacitor with metal plates has an area of 1.81 m2, separated by 1.26 mm. How much charge does it store if the voltage is 4.610E+03 V?

-a) 4.005E+01 μC
-b) 4.405E+01 μC
-c) 4.846E+01 μC
-d) 5.330E+01 μC
+e) 5.864E+01 μC
2)
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
3)
What is the net capacitance if C1=2.24 μF, C2=4.86 μF, and C3=3.64 μF in the configuration shown?
-a) 4.275E+00 μF
-b) 4.703E+00 μF
+c) 5.173E+00 μF
-d) 5.691E+00 μF
-e) 6.260E+00 μF

### QB:Ch 8:V2

QB153089888070

1)
What is the net capacitance if C1=3.06 μF, C2=3.09 μF, and C3=2.48 μF in the configuration shown?
a) 3.018E+00 μF
b) 3.320E+00 μF
c) 3.652E+00 μF
d) 4.017E+00 μF
e) 4.419E+00 μF

2) An empty parallel-plate capacitor with metal plates has an area of 1.94 m2, separated by 1.36 mm. How much charge does it store if the voltage is 8.530E+03 V?

a) 7.359E+01 μC
b) 8.094E+01 μC
c) 8.904E+01 μC
d) 9.794E+01 μC
e) 1.077E+02 μC
3)
In the figure shown C1=15.0 μF, C2=2.65 μF, and C3=5.67 μF. The voltage source provides ε=7.44 V. What is the charge on C1?
a) 3.982E+01 μC
b) 4.380E+01 μC
c) 4.818E+01 μC
d) 5.300E+01 μC
e) 5.829E+01 μC

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

QB153089888070

1)
What is the net capacitance if C1=3.06 μF, C2=3.09 μF, and C3=2.48 μF in the configuration shown?
-a) 3.018E+00 μF
-b) 3.320E+00 μF
-c) 3.652E+00 μF
+d) 4.017E+00 μF
-e) 4.419E+00 μF

2) An empty parallel-plate capacitor with metal plates has an area of 1.94 m2, separated by 1.36 mm. How much charge does it store if the voltage is 8.530E+03 V?

-a) 7.359E+01 μC
-b) 8.094E+01 μC
-c) 8.904E+01 μC
-d) 9.794E+01 μC
+e) 1.077E+02 μC
3)
In the figure shown C1=15.0 μF, C2=2.65 μF, and C3=5.67 μF. The voltage source provides ε=7.44 V. What is the charge on C1?
+a) 3.982E+01 μC
-b) 4.380E+01 μC
-c) 4.818E+01 μC
-d) 5.300E+01 μC
-e) 5.829E+01 μC

### QB:Ch 9:V0

QB153089888070

1) What is the average current involved when a truck battery sets in motion 775 C of charge in 2.9 s while starting an engine?

a) 2.209E+02 A
b) 2.429E+02 A
c) 2.672E+02 A
d) 2.940E+02 A
e) 3.234E+02 A

2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 5.88 Ω at a temperature of 87°C and that the temperature coefficient of expansion is 5.290E-03 (°C)−1). What is the resistance at a temperature of 547 °C?

a) 1.831E+01 Ω
b) 1.923E+01 Ω
c) 2.019E+01 Ω
d) 2.120E+01 Ω
e) 2.226E+01 Ω

3) Calculate the electric field in a 12-gauge copper wire that is 13 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) 2.250E-04 V/m
b) 2.475E-04 V/m
c) 2.722E-04 V/m
d) 2.995E-04 V/m
e) 3.294E-04 V/m

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

QB153089888070

1) What is the average current involved when a truck battery sets in motion 775 C of charge in 2.9 s while starting an engine?

-a) 2.209E+02 A
-b) 2.429E+02 A
+c) 2.672E+02 A
-d) 2.940E+02 A
-e) 3.234E+02 A

2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 5.88 Ω at a temperature of 87°C and that the temperature coefficient of expansion is 5.290E-03 (°C)−1). What is the resistance at a temperature of 547 °C?

-a) 1.831E+01 Ω
-b) 1.923E+01 Ω
+c) 2.019E+01 Ω
-d) 2.120E+01 Ω
-e) 2.226E+01 Ω

3) Calculate the electric field in a 12-gauge copper wire that is 13 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) 2.250E-04 V/m
-b) 2.475E-04 V/m
-c) 2.722E-04 V/m
+d) 2.995E-04 V/m
-e) 3.294E-04 V/m

### QB:Ch 9:V1

QB153089888070

1) What is the average current involved when a truck battery sets in motion 659 C of charge in 5.48 s while starting an engine?

a) 8.214E+01 A
b) 9.035E+01 A
c) 9.938E+01 A
d) 1.093E+02 A
e) 1.203E+02 A

2) Calculate the electric field in a 12-gauge copper wire that is 44 m long and carries a current of 78 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) 2.704E-04 V/m
b) 2.974E-04 V/m
c) 3.272E-04 V/m
d) 3.599E-04 V/m
e) 3.959E-04 V/m

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 4.48 Ω at a temperature of 56°C and that the temperature coefficient of expansion is 4.550E-03 (°C)−1). What is the resistance at a temperature of 449 °C?

a) 1.028E+01 Ω
b) 1.079E+01 Ω
c) 1.133E+01 Ω
d) 1.190E+01 Ω
e) 1.249E+01 Ω

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

QB153089888070

1) What is the average current involved when a truck battery sets in motion 659 C of charge in 5.48 s while starting an engine?

-a) 8.214E+01 A
-b) 9.035E+01 A
-c) 9.938E+01 A
-d) 1.093E+02 A
+e) 1.203E+02 A

2) Calculate the electric field in a 12-gauge copper wire that is 44 m long and carries a current of 78 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) 2.704E-04 V/m
-b) 2.974E-04 V/m
-c) 3.272E-04 V/m
-d) 3.599E-04 V/m
+e) 3.959E-04 V/m

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 4.48 Ω at a temperature of 56°C and that the temperature coefficient of expansion is 4.550E-03 (°C)−1). What is the resistance at a temperature of 449 °C?

-a) 1.028E+01 Ω
-b) 1.079E+01 Ω
-c) 1.133E+01 Ω
-d) 1.190E+01 Ω
+e) 1.249E+01 Ω

### QB:Ch 9:V2

QB153089888070

1) What is the average current involved when a truck battery sets in motion 760 C of charge in 5.35 s while starting an engine?

a) 1.291E+02 A
b) 1.421E+02 A
c) 1.563E+02 A
d) 1.719E+02 A
e) 1.891E+02 A

2) Calculate the electric field in a 12-gauge copper wire that is 56 m long and carries a current of 81 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) 4.111E-04 V/m
b) 4.522E-04 V/m
c) 4.975E-04 V/m
d) 5.472E-04 V/m
e) 6.019E-04 V/m

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.94 Ω at a temperature of 30°C and that the temperature coefficient of expansion is 5.900E-03 (°C)−1). What is the resistance at a temperature of 445 °C?

a) 1.014E+01 Ω
b) 1.065E+01 Ω
c) 1.118E+01 Ω
d) 1.174E+01 Ω
e) 1.232E+01 Ω

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

QB153089888070

1) What is the average current involved when a truck battery sets in motion 760 C of charge in 5.35 s while starting an engine?

-a) 1.291E+02 A
+b) 1.421E+02 A
-c) 1.563E+02 A
-d) 1.719E+02 A
-e) 1.891E+02 A

2) Calculate the electric field in a 12-gauge copper wire that is 56 m long and carries a current of 81 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) 4.111E-04 V/m
-b) 4.522E-04 V/m
-c) 4.975E-04 V/m
-d) 5.472E-04 V/m
-e) 6.019E-04 V/m

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.94 Ω at a temperature of 30°C and that the temperature coefficient of expansion is 5.900E-03 (°C)−1). What is the resistance at a temperature of 445 °C?

+a) 1.014E+01 Ω
-b) 1.065E+01 Ω
-c) 1.118E+01 Ω
-d) 1.174E+01 Ω
-e) 1.232E+01 Ω

### QB:Ch 10:V0

QB153089888070

1)
Two sources of emf ε1=43.7 V, and ε2=13.1 V are oriented as shownin the circuit. The resistances are R1=5.21 kΩ and R2=1.72 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=3.86 mA and I4=0.9 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
a) 2.691E+00 mA
b) 2.960E+00 mA
c) 3.256E+00 mA
d) 3.582E+00 mA
e) 3.940E+00 mA
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 130 V. If the combined external and internal resistance is 109 &Omega and the capacitance is 59 mF, how long will it take for the capacitor's voltage to reach 69.9 V?
a) 3.728E+00 s
b) 4.101E+00 s
c) 4.511E+00 s
d) 4.962E+00 s
e) 5.458E+00 s
3)
In the circuit shown V=18.4 V, R1=1.64 Ω, R2=6.56 Ω, and R3=12.8 Ω. What is the power dissipated by R2?
a) 2.470E+01 W
b) 2.717E+01 W
c) 2.989E+01 W
d) 3.288E+01 W
e) 3.617E+01 W

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

QB153089888070

1)
Two sources of emf ε1=43.7 V, and ε2=13.1 V are oriented as shownin the circuit. The resistances are R1=5.21 kΩ and R2=1.72 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=3.86 mA and I4=0.9 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
-a) 2.691E+00 mA
+b) 2.960E+00 mA
-c) 3.256E+00 mA
-d) 3.582E+00 mA
-e) 3.940E+00 mA
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 130 V. If the combined external and internal resistance is 109 &Omega and the capacitance is 59 mF, how long will it take for the capacitor's voltage to reach 69.9 V?
-a) 3.728E+00 s
-b) 4.101E+00 s
-c) 4.511E+00 s
+d) 4.962E+00 s
-e) 5.458E+00 s
3)
In the circuit shown V=18.4 V, R1=1.64 Ω, R2=6.56 Ω, and R3=12.8 Ω. What is the power dissipated by R2?
-a) 2.470E+01 W
+b) 2.717E+01 W
-c) 2.989E+01 W
-d) 3.288E+01 W
-e) 3.617E+01 W

### QB:Ch 10:V1

QB153089888070

1)
Two sources of emf ε1=20.6 V, and ε2=9.53 V are oriented as shownin the circuit. The resistances are R1=5.46 kΩ and R2=2.55 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=1.5 mA and I4=0.415 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
a) 1.085E+00 mA
b) 1.194E+00 mA
c) 1.313E+00 mA
d) 1.444E+00 mA
e) 1.589E+00 mA
2)
In the circuit shown V=18.8 V, R1=2.59 Ω, R2=5.47 Ω, and R3=15.8 Ω. What is the power dissipated by R2?
a) 2.191E+01 W
b) 2.410E+01 W
c) 2.651E+01 W
d) 2.916E+01 W
e) 3.208E+01 W
3)
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 569 V. If the combined external and internal resistance is 137 &Omega and the capacitance is 76 mF, how long will it take for the capacitor's voltage to reach 419.0 V?
a) 1.043E+01 s
b) 1.147E+01 s
c) 1.262E+01 s
d) 1.388E+01 s
e) 1.527E+01 s

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

QB153089888070

1)
Two sources of emf ε1=20.6 V, and ε2=9.53 V are oriented as shownin the circuit. The resistances are R1=5.46 kΩ and R2=2.55 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=1.5 mA and I4=0.415 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
+a) 1.085E+00 mA
-b) 1.194E+00 mA
-c) 1.313E+00 mA
-d) 1.444E+00 mA
-e) 1.589E+00 mA
2)
In the circuit shown V=18.8 V, R1=2.59 Ω, R2=5.47 Ω, and R3=15.8 Ω. What is the power dissipated by R2?
-a) 2.191E+01 W
+b) 2.410E+01 W
-c) 2.651E+01 W
-d) 2.916E+01 W
-e) 3.208E+01 W
3)
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 569 V. If the combined external and internal resistance is 137 &Omega and the capacitance is 76 mF, how long will it take for the capacitor's voltage to reach 419.0 V?
-a) 1.043E+01 s
-b) 1.147E+01 s
-c) 1.262E+01 s
+d) 1.388E+01 s
-e) 1.527E+01 s

### QB:Ch 10:V2

QB153089888070

1)
In the circuit shown V=18.8 V, R1=2.59 Ω, R2=5.47 Ω, and R3=15.8 Ω. What is the power dissipated by R2?
a) 2.191E+01 W
b) 2.410E+01 W
c) 2.651E+01 W
d) 2.916E+01 W
e) 3.208E+01 W
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 598 V. If the combined external and internal resistance is 170 &Omega and the capacitance is 73 mF, how long will it take for the capacitor's voltage to reach 436.0 V?
a) 1.218E+01 s
b) 1.339E+01 s
c) 1.473E+01 s
d) 1.621E+01 s
e) 1.783E+01 s
3)
Two sources of emf ε1=13.6 V, and ε2=6.53 V are oriented as shownin the circuit. The resistances are R1=2.89 kΩ and R2=2.12 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=1.11 mA and I4=0.311 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
a) 7.264E-01 mA
b) 7.990E-01 mA
c) 8.789E-01 mA
d) 9.668E-01 mA
e) 1.063E+00 mA

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

QB153089888070

1)
In the circuit shown V=18.8 V, R1=2.59 Ω, R2=5.47 Ω, and R3=15.8 Ω. What is the power dissipated by R2?
-a) 2.191E+01 W
+b) 2.410E+01 W
-c) 2.651E+01 W
-d) 2.916E+01 W
-e) 3.208E+01 W
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 598 V. If the combined external and internal resistance is 170 &Omega and the capacitance is 73 mF, how long will it take for the capacitor's voltage to reach 436.0 V?
-a) 1.218E+01 s
-b) 1.339E+01 s
-c) 1.473E+01 s
+d) 1.621E+01 s
-e) 1.783E+01 s
3)
Two sources of emf ε1=13.6 V, and ε2=6.53 V are oriented as shownin the circuit. The resistances are R1=2.89 kΩ and R2=2.12 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=1.11 mA and I4=0.311 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of I5?
-a) 7.264E-01 mA
+b) 7.990E-01 mA
-c) 8.789E-01 mA
-d) 9.668E-01 mA
-e) 1.063E+00 mA

### QB:Ch 11:V0

QB153089888070

1) An alpha-particle (m=6.64x10−27kg, q=3.2x10−19C) briefly enters a uniform magnetic field of magnitude 0.0263 T . It emerges after being deflected by 65° from its original direction. How much time did it spend in that magnetic field?

a) 8.137E-07 s
b) 8.951E-07 s
c) 9.846E-07 s
d) 1.083E-06 s
e) 1.191E-06 s

2) A 44 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 0.784 T. What current is required to maintain this balance?

a) 1.644E-01 A
b) 1.808E-01 A
c) 1.989E-01 A
d) 2.188E-01 A
e) 2.406E-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 6.97 mT and 2.240E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

a) 2.656E+05 m/s
b) 2.922E+05 m/s
c) 3.214E+05 m/s
d) 3.535E+05 m/s
e) 3.889E+05 m/s

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

QB153089888070

1) An alpha-particle (m=6.64x10−27kg, q=3.2x10−19C) briefly enters a uniform magnetic field of magnitude 0.0263 T . It emerges after being deflected by 65° from its original direction. How much time did it spend in that magnetic field?

-a) 8.137E-07 s
+b) 8.951E-07 s
-c) 9.846E-07 s
-d) 1.083E-06 s
-e) 1.191E-06 s

2) A 44 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 0.784 T. What current is required to maintain this balance?

-a) 1.644E-01 A
-b) 1.808E-01 A
+c) 1.989E-01 A
-d) 2.188E-01 A
-e) 2.406E-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 6.97 mT and 2.240E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

-a) 2.656E+05 m/s
-b) 2.922E+05 m/s
+c) 3.214E+05 m/s
-d) 3.535E+05 m/s
-e) 3.889E+05 m/s

### QB:Ch 11:V1

QB153089888070

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 5.04 mT and 7.820E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

a) 1.060E+06 m/s
b) 1.166E+06 m/s
c) 1.282E+06 m/s
d) 1.411E+06 m/s
e) 1.552E+06 m/s

2) A 97 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 0.753 T. What current is required to maintain this balance?

a) 7.056E-02 A
b) 7.762E-02 A
c) 8.538E-02 A
d) 9.392E-02 A
e) 1.033E-01 A

3) An alpha-particle (m=6.64x10−27kg, q=3.2x10−19C) briefly enters a uniform magnetic field of magnitude 0.0631 T . It emerges after being deflected by 44° from its original direction. How much time did it spend in that magnetic field?

a) 1.897E-07 s
b) 2.087E-07 s
c) 2.296E-07 s
d) 2.525E-07 s
e) 2.778E-07 s

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

QB153089888070

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 5.04 mT and 7.820E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

-a) 1.060E+06 m/s
-b) 1.166E+06 m/s
-c) 1.282E+06 m/s
-d) 1.411E+06 m/s
+e) 1.552E+06 m/s

2) A 97 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 0.753 T. What current is required to maintain this balance?

-a) 7.056E-02 A
-b) 7.762E-02 A
-c) 8.538E-02 A
+d) 9.392E-02 A
-e) 1.033E-01 A

3) An alpha-particle (m=6.64x10−27kg, q=3.2x10−19C) briefly enters a uniform magnetic field of magnitude 0.0631 T . It emerges after being deflected by 44° from its original direction. How much time did it spend in that magnetic field?

-a) 1.897E-07 s
-b) 2.087E-07 s
-c) 2.296E-07 s
+d) 2.525E-07 s
-e) 2.778E-07 s

### QB:Ch 11:V2

QB153089888070

1) An alpha-particle (m=6.64x10−27kg, q=3.2x10−19C) briefly enters a uniform magnetic field of magnitude 0.0631 T . It emerges after being deflected by 44° from its original direction. How much time did it spend in that magnetic field?

a) 1.897E-07 s
b) 2.087E-07 s
c) 2.296E-07 s
d) 2.525E-07 s
e) 2.778E-07 s

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 2.59 mT and 4.340E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

a) 1.676E+06 m/s
b) 1.843E+06 m/s
c) 2.028E+06 m/s
d) 2.230E+06 m/s
e) 2.453E+06 m/s

3) A 44 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 0.784 T. What current is required to maintain this balance?

a) 1.644E-01 A
b) 1.808E-01 A
c) 1.989E-01 A
d) 2.188E-01 A
e) 2.406E-01 A

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

QB153089888070

1) An alpha-particle (m=6.64x10−27kg, q=3.2x10−19C) briefly enters a uniform magnetic field of magnitude 0.0631 T . It emerges after being deflected by 44° from its original direction. How much time did it spend in that magnetic field?

-a) 1.897E-07 s
-b) 2.087E-07 s
-c) 2.296E-07 s
+d) 2.525E-07 s
-e) 2.778E-07 s

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 2.59 mT and 4.340E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

+a) 1.676E+06 m/s
-b) 1.843E+06 m/s
-c) 2.028E+06 m/s
-d) 2.230E+06 m/s
-e) 2.453E+06 m/s

3) A 44 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 0.784 T. What current is required to maintain this balance?

-a) 1.644E-01 A
-b) 1.808E-01 A
+c) 1.989E-01 A
-d) 2.188E-01 A
-e) 2.406E-01 A

### QB:Ch 12:V0

QB153089888070

1) Two loops of wire carry the same current of 43 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.516 m while the other has a radius of 1.22 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 0.565 m from the first (smaller) loopif the disance between the loops is 1.78 m?

a) 1.798E-02 T
b) 1.978E-02 T
c) 2.176E-02 T
d) 2.394E-02 T
e) 2.633E-02 T
2)
Three wires sit at the corners of a square of length 0.796 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 (2.48 A, 1.4 A, 1.47 A), respectively. What is the x-component of the magnetic field at point P?
a) Bx= 4.506E-05 T
b) Bx= 4.957E-05 T
c) Bx= 5.452E-05 T
d) Bx= 5.997E-05 T
e) Bx= 6.597E-05 T
3)
Three wires sit at the corners of a square of length 0.787 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 (1.68 A, 2.44 A, 2.47 A), respectively. What is the y-component of the magnetic field at point P?
a) By= 6.091E-05 T
b) By= 6.700E-05 T
c) By= 7.370E-05 T
d) By= 8.107E-05 T
e) By= 8.917E-05 T

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

QB153089888070

1) Two loops of wire carry the same current of 43 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.516 m while the other has a radius of 1.22 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 0.565 m from the first (smaller) loopif the disance between the loops is 1.78 m?

-a) 1.798E-02 T
-b) 1.978E-02 T
-c) 2.176E-02 T
+d) 2.394E-02 T
-e) 2.633E-02 T
2)
Three wires sit at the corners of a square of length 0.796 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 (2.48 A, 1.4 A, 1.47 A), respectively. What is the x-component of the magnetic field at point P?
-a) Bx= 4.506E-05 T
-b) Bx= 4.957E-05 T
+c) Bx= 5.452E-05 T
-d) Bx= 5.997E-05 T
-e) Bx= 6.597E-05 T
3)
Three wires sit at the corners of a square of length 0.787 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 (1.68 A, 2.44 A, 2.47 A), respectively. What is the y-component of the magnetic field at point P?
-a) By= 6.091E-05 T
-b) By= 6.700E-05 T
+c) By= 7.370E-05 T
-d) By= 8.107E-05 T
-e) By= 8.917E-05 T

### QB:Ch 12:V1

QB153089888070

1)
Three wires sit at the corners of a square of length 0.705 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 (1.92 A, 1.14 A, 1.11 A), respectively. What is the x-component of the magnetic field at point P?
a) Bx= 4.333E-05 T
b) Bx= 4.766E-05 T
c) Bx= 5.243E-05 T
d) Bx= 5.767E-05 T
e) Bx= 6.343E-05 T

2) Two loops of wire carry the same current of 88 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.655 m while the other has a radius of 1.11 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 0.531 m from the first (smaller) loopif the disance between the loops is 1.72 m?

a) 4.162E-02 T
b) 4.578E-02 T
c) 5.036E-02 T
d) 5.540E-02 T
e) 6.094E-02 T
3)
Three wires sit at the corners of a square of length 0.702 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 (2.24 A, 1.37 A, 2.3 A), respectively. What is the y-component of the magnetic field at point P?
a) By= 7.576E-05 T
b) By= 8.333E-05 T
c) By= 9.167E-05 T
d) By= 1.008E-04 T
e) By= 1.109E-04 T

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

QB153089888070

1)
Three wires sit at the corners of a square of length 0.705 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 (1.92 A, 1.14 A, 1.11 A), respectively. What is the x-component of the magnetic field at point P?
-a) Bx= 4.333E-05 T
+b) Bx= 4.766E-05 T
-c) Bx= 5.243E-05 T
-d) Bx= 5.767E-05 T
-e) Bx= 6.343E-05 T

2) Two loops of wire carry the same current of 88 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.655 m while the other has a radius of 1.11 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 0.531 m from the first (smaller) loopif the disance between the loops is 1.72 m?

-a) 4.162E-02 T
-b) 4.578E-02 T
-c) 5.036E-02 T
+d) 5.540E-02 T
-e) 6.094E-02 T
3)
Three wires sit at the corners of a square of length 0.702 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 (2.24 A, 1.37 A, 2.3 A), respectively. What is the y-component of the magnetic field at point P?
-a) By= 7.576E-05 T
+b) By= 8.333E-05 T
-c) By= 9.167E-05 T
-d) By= 1.008E-04 T
-e) By= 1.109E-04 T

### QB:Ch 12:V2

QB153089888070

1)
Three wires sit at the corners of a square of length 0.774 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 (1.57 A, 2.03 A, 2.08 A), respectively. What is the x-component of the magnetic field at point P?
a) Bx= 7.270E-05 T
b) Bx= 7.997E-05 T
c) Bx= 8.797E-05 T
d) Bx= 9.677E-05 T
e) Bx= 1.064E-04 T

2) Two loops of wire carry the same current of 12 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.751 m while the other has a radius of 1.42 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 0.493 m from the first (smaller) loopif the disance between the loops is 1.26 m?

a) 7.836E-03 T
b) 8.620E-03 T
c) 9.482E-03 T
d) 1.043E-02 T
e) 1.147E-02 T
3)
Three wires sit at the corners of a square of length 0.495 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 (2.45 A, 1.66 A, 1.63 A), respectively. What is the y-component of the magnetic field at point P?
a) By= 1.205E-04 T
b) By= 1.325E-04 T
c) By= 1.458E-04 T
d) By= 1.604E-04 T
e) By= 1.764E-04 T

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

QB153089888070

1)
Three wires sit at the corners of a square of length 0.774 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 (1.57 A, 2.03 A, 2.08 A), respectively. What is the x-component of the magnetic field at point P?
-a) Bx= 7.270E-05 T
+b) Bx= 7.997E-05 T
-c) Bx= 8.797E-05 T
-d) Bx= 9.677E-05 T
-e) Bx= 1.064E-04 T

2) Two loops of wire carry the same current of 12 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.751 m while the other has a radius of 1.42 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 0.493 m from the first (smaller) loopif the disance between the loops is 1.26 m?

-a) 7.836E-03 T
-b) 8.620E-03 T
+c) 9.482E-03 T
-d) 1.043E-02 T
-e) 1.147E-02 T
3)
Three wires sit at the corners of a square of length 0.495 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 (2.45 A, 1.66 A, 1.63 A), respectively. What is the y-component of the magnetic field at point P?
-a) By= 1.205E-04 T
+b) By= 1.325E-04 T
-c) By= 1.458E-04 T
-d) By= 1.604E-04 T
-e) By= 1.764E-04 T

### QB:Ch 13:V0

QB153089888070

1) A recangular coil with an area of 0.412 m2 and 18 turns is placed in a uniform magnetic field of 3.81 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 2.120E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 79 s?

a) 4.465E+04 V
b) 4.912E+04 V
c) 5.403E+04 V
d) 5.943E+04 V
e) 6.538E+04 V

2) A long solenoid has a radius of 0.793 m and 45 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$2 A and ${\displaystyle \alpha =}$29 s−1.What is the induced electric fied at a distance 0.216 m from the axis at time t=0.0208 s ?

a) 1.456E-04 V/m
b) 1.601E-04 V/m
c) 1.762E-04 V/m
d) 1.938E-04 V/m
e) 2.132E-04 V/m

3) A long solenoid has a radius of 0.583 m and 38 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$6 A and ${\displaystyle \alpha =}$24 s−1.What is the induced electric fied at a distance 2.09 m from the axis at time t=0.0388 s ?

a) 1.655E-04 V/m
b) 1.821E-04 V/m
c) 2.003E-04 V/m
d) 2.203E-04 V/m
e) 2.424E-04 V/m

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

QB153089888070

1) A recangular coil with an area of 0.412 m2 and 18 turns is placed in a uniform magnetic field of 3.81 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 2.120E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 79 s?

-a) 4.465E+04 V
-b) 4.912E+04 V
-c) 5.403E+04 V
+d) 5.943E+04 V
-e) 6.538E+04 V

2) A long solenoid has a radius of 0.793 m and 45 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$2 A and ${\displaystyle \alpha =}$29 s−1.What is the induced electric fied at a distance 0.216 m from the axis at time t=0.0208 s ?

-a) 1.456E-04 V/m
-b) 1.601E-04 V/m
-c) 1.762E-04 V/m
+d) 1.938E-04 V/m
-e) 2.132E-04 V/m

3) A long solenoid has a radius of 0.583 m and 38 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$6 A and ${\displaystyle \alpha =}$24 s−1.What is the induced electric fied at a distance 2.09 m from the axis at time t=0.0388 s ?

-a) 1.655E-04 V/m
-b) 1.821E-04 V/m
-c) 2.003E-04 V/m
+d) 2.203E-04 V/m
-e) 2.424E-04 V/m

### QB:Ch 13:V1

QB153089888070

1) A recangular coil with an area of 0.178 m2 and 17 turns is placed in a uniform magnetic field of 2.62 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 4.380E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 45 s?

a) 1.068E+04 V
b) 1.175E+04 V
c) 1.293E+04 V
d) 1.422E+04 V
e) 1.564E+04 V

2) A long solenoid has a radius of 0.603 m and 51 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$2 A and ${\displaystyle \alpha =}$26 s−1.What is the induced electric fied at a distance 0.105 m from the axis at time t=0.0659 s ?

a) 2.154E-05 V/m
b) 2.369E-05 V/m
c) 2.606E-05 V/m
d) 2.867E-05 V/m
e) 3.154E-05 V/m

3) A long solenoid has a radius of 0.716 m and 96 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 =}$23 s−1.What is the induced electric fied at a distance 2.67 m from the axis at time t=0.0226 s ?

a) 1.426E-03 V/m
b) 1.568E-03 V/m
c) 1.725E-03 V/m
d) 1.897E-03 V/m
e) 2.087E-03 V/m

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

QB153089888070

1) A recangular coil with an area of 0.178 m2 and 17 turns is placed in a uniform magnetic field of 2.62 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 4.380E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 45 s?

-a) 1.068E+04 V
-b) 1.175E+04 V
+c) 1.293E+04 V
-d) 1.422E+04 V
-e) 1.564E+04 V

2) A long solenoid has a radius of 0.603 m and 51 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$2 A and ${\displaystyle \alpha =}$26 s−1.What is the induced electric fied at a distance 0.105 m from the axis at time t=0.0659 s ?

-a) 2.154E-05 V/m
-b) 2.369E-05 V/m
-c) 2.606E-05 V/m
-d) 2.867E-05 V/m
+e) 3.154E-05 V/m

3) A long solenoid has a radius of 0.716 m and 96 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 =}$23 s−1.What is the induced electric fied at a distance 2.67 m from the axis at time t=0.0226 s ?

+a) 1.426E-03 V/m
-b) 1.568E-03 V/m
-c) 1.725E-03 V/m
-d) 1.897E-03 V/m
-e) 2.087E-03 V/m

### QB:Ch 13:V2

QB153089888070

1) A long solenoid has a radius of 0.757 m and 90 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 =}$30 s−1.What is the induced electric fied at a distance 2.08 m from the axis at time t=0.0442 s ?

a) 6.527E-04 V/m
b) 7.180E-04 V/m
c) 7.898E-04 V/m
d) 8.688E-04 V/m
e) 9.556E-04 V/m

2) A recangular coil with an area of 0.157 m2 and 17 turns is placed in a uniform magnetic field of 3.64 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 5.890E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 9 s?

a) 4.464E+04 V
b) 4.911E+04 V
c) 5.402E+04 V
d) 5.942E+04 V
e) 6.536E+04 V

3) A long solenoid has a radius of 0.596 m and 19 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$5 A and ${\displaystyle \alpha =}$29 s−1.What is the induced electric fied at a distance 0.209 m from the axis at time t=0.0604 s ?

a) 6.277E-05 V/m
b) 6.904E-05 V/m
c) 7.595E-05 V/m
d) 8.354E-05 V/m
e) 9.190E-05 V/m

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

QB153089888070

1) A long solenoid has a radius of 0.757 m and 90 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 =}$30 s−1.What is the induced electric fied at a distance 2.08 m from the axis at time t=0.0442 s ?

-a) 6.527E-04 V/m
-b) 7.180E-04 V/m
-c) 7.898E-04 V/m
+d) 8.688E-04 V/m
-e) 9.556E-04 V/m

2) A recangular coil with an area of 0.157 m2 and 17 turns is placed in a uniform magnetic field of 3.64 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 5.890E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 9 s?

-a) 4.464E+04 V
-b) 4.911E+04 V
+c) 5.402E+04 V
-d) 5.942E+04 V
-e) 6.536E+04 V

3) A long solenoid has a radius of 0.596 m and 19 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$5 A and ${\displaystyle \alpha =}$29 s−1.What is the induced electric fied at a distance 0.209 m from the axis at time t=0.0604 s ?

+a) 6.277E-05 V/m
-b) 6.904E-05 V/m
-c) 7.595E-05 V/m
-d) 8.354E-05 V/m
-e) 9.190E-05 V/m

### QB:Ch 14:V0

QB153089888070

1)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =13.6 s if ε = 6.56 V , R = 2.44 Ω, and L = 8.76 H?
a) 2.627E+00 V
b) 3.153E+00 V
c) 3.783E+00 V
d) 4.540E+00 V
e) 5.448E+00 V

2) An induced emf of 4.13V is measured across a coil of 70 closely wound turns while the current throuth it increases uniformly from 0.0 to 2.63A in 0.133s. What is the self-inductance of the coil?

a) 1.726E-01 H
b) 1.899E-01 H
c) 2.089E-01 H
d) 2.297E-01 H
e) 2.527E-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 2.28% of its maximum value if ε = 7.39 V , R = 7.05 Ω, and L = 3.51 H?
a) -6.429E-01 s
b) -7.072E-01 s
c) -7.779E-01 s
d) -8.557E-01 s
e) -9.412E-01 s

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

QB153089888070

1)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =13.6 s if ε = 6.56 V , R = 2.44 Ω, and L = 8.76 H?
+a) 2.627E+00 V
-b) 3.153E+00 V
-c) 3.783E+00 V
-d) 4.540E+00 V
-e) 5.448E+00 V

2) An induced emf of 4.13V is measured across a coil of 70 closely wound turns while the current throuth it increases uniformly from 0.0 to 2.63A in 0.133s. What is the self-inductance of the coil?

-a) 1.726E-01 H
-b) 1.899E-01 H
+c) 2.089E-01 H
-d) 2.297E-01 H
-e) 2.527E-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 2.28% of its maximum value if ε = 7.39 V , R = 7.05 Ω, and L = 3.51 H?
-a) -6.429E-01 s
-b) -7.072E-01 s
-c) -7.779E-01 s
-d) -8.557E-01 s
+e) -9.412E-01 s

### QB:Ch 14:V1

QB153089888070

1)
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

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)
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 1.65% of its maximum value if ε = 3.62 V , R = 4.07 Ω, and L = 7.19 H?
a) -2.476E+00 s
b) -2.724E+00 s
c) -2.996E+00 s
d) -3.296E+00 s
e) -3.625E+00 s

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

QB153089888070

1)
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

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)
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 1.65% of its maximum value if ε = 3.62 V , R = 4.07 Ω, and L = 7.19 H?
-a) -2.476E+00 s
-b) -2.724E+00 s
-c) -2.996E+00 s
-d) -3.296E+00 s
+e) -3.625E+00 s

### QB:Ch 14:V2

QB153089888070

1) 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
2)
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 1.56% of its maximum value if ε = 4.22 V , R = 1.89 Ω, and L = 6.57 H?
a) -4.939E+00 s
b) -5.433E+00 s
c) -5.976E+00 s
d) -6.574E+00 s
e) -7.231E+00 s
3)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =3.96 s if ε = 4.92 V , R = 5.02 Ω, and L = 5.0 H?
a) 9.618E-01 V
b) 1.154E+00 V
c) 1.385E+00 V
d) 1.662E+00 V
e) 1.994E+00 V

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

QB153089888070

1) 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
2)
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 1.56% of its maximum value if ε = 4.22 V , R = 1.89 Ω, and L = 6.57 H?
-a) -4.939E+00 s
-b) -5.433E+00 s
-c) -5.976E+00 s
-d) -6.574E+00 s
+e) -7.231E+00 s
3)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =3.96 s if ε = 4.92 V , R = 5.02 Ω, and L = 5.0 H?
+a) 9.618E-01 V
-b) 1.154E+00 V
-c) 1.385E+00 V
-d) 1.662E+00 V
-e) 1.994E+00 V

### QB:Ch 15:V0

QB153089888070

1) An ac generator produces an emf of amplitude 71 V at a frequency of 68 Hz. What is the maximum amplitude of the current if the generator is connected to a 35 mF capacitor?

a) 7.252E-01 A
b) 7.977E-01 A
c) 8.775E-01 A
d) 9.652E-01 A
e) 1.062E+00 A

2) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.16 V. The resistance, inductance, and capacitance are R =8 Ω, L= 5.40E-03H , and C=5.40E-04 F, respectively. What is the amplitude of the current?

a) 2.000E-02 A
b) 2.200E-02 A
c) 2.420E-02 A
d) 2.662E-02 A
e) 2.928E-02 A

3) The output of an ac generator connected to an RLC series combination has a frequency of 2.30E+04 Hz and an amplitude of 7 V. If R =3 Ω, L= 4.10E-03H , and C=8.70E-06 F, what is the rms power transferred to the resistor?

a) 8.369E-03 Watts
b) 9.206E-03 Watts
c) 1.013E-02 Watts
d) 1.114E-02 Watts
e) 1.225E-02 Watts

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

QB153089888070

1) An ac generator produces an emf of amplitude 71 V at a frequency of 68 Hz. What is the maximum amplitude of the current if the generator is connected to a 35 mF capacitor?

-a) 7.252E-01 A
-b) 7.977E-01 A
-c) 8.775E-01 A
-d) 9.652E-01 A
+e) 1.062E+00 A

2) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.16 V. The resistance, inductance, and capacitance are R =8 Ω, L= 5.40E-03H , and C=5.40E-04 F, respectively. What is the amplitude of the current?

+a) 2.000E-02 A
-b) 2.200E-02 A
-c) 2.420E-02 A
-d) 2.662E-02 A
-e) 2.928E-02 A

3) The output of an ac generator connected to an RLC series combination has a frequency of 2.30E+04 Hz and an amplitude of 7 V. If R =3 Ω, L= 4.10E-03H , and C=8.70E-06 F, what is the rms power transferred to the resistor?

-a) 8.369E-03 Watts
+b) 9.206E-03 Watts
-c) 1.013E-02 Watts
-d) 1.114E-02 Watts
-e) 1.225E-02 Watts

### QB:Ch 15:V1

QB153089888070

1) The output of an ac generator connected to an RLC series combination has a frequency of 4.30E+04 Hz and an amplitude of 6 V. If R =6 Ω, L= 5.20E-03H , and C=8.60E-06 F, what is the rms power transferred to the resistor?

a) 1.511E-03 Watts
b) 1.662E-03 Watts
c) 1.828E-03 Watts
d) 2.011E-03 Watts
e) 2.212E-03 Watts

2) 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

3) An ac generator produces an emf of amplitude 98 V at a frequency of 110 Hz. What is the maximum amplitude of the current if the generator is connected to a 2 mF capacitor?

a) 1.232E-01 A
b) 1.355E-01 A
c) 1.490E-01 A
d) 1.639E-01 A
e) 1.803E-01 A

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

QB153089888070

1) The output of an ac generator connected to an RLC series combination has a frequency of 4.30E+04 Hz and an amplitude of 6 V. If R =6 Ω, L= 5.20E-03H , and C=8.60E-06 F, what is the rms power transferred to the resistor?

-a) 1.511E-03 Watts
-b) 1.662E-03 Watts
-c) 1.828E-03 Watts
-d) 2.011E-03 Watts
+e) 2.212E-03 Watts

2) 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

3) An ac generator produces an emf of amplitude 98 V at a frequency of 110 Hz. What is the maximum amplitude of the current if the generator is connected to a 2 mF capacitor?

-a) 1.232E-01 A
+b) 1.355E-01 A
-c) 1.490E-01 A
-d) 1.639E-01 A
-e) 1.803E-01 A

### QB:Ch 15:V2

QB153089888070

1) An ac generator produces an emf of amplitude 87 V at a frequency of 44 Hz. What is the maximum amplitude of the current if the generator is connected to a 9 mF capacitor?

a) 1.626E-01 A
b) 1.789E-01 A
c) 1.968E-01 A
d) 2.165E-01 A
e) 2.381E-01 A

2) The output of an ac generator connected to an RLC series combination has a frequency of 1.90E+04 Hz and an amplitude of 3 V. If R =8 Ω, L= 9.70E-03H , and C=9.70E-06 F, what is the rms power transferred to the resistor?

a) 7.670E-04 Watts
b) 8.436E-04 Watts
c) 9.280E-04 Watts
d) 1.021E-03 Watts
e) 1.123E-03 Watts

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.82 V. The resistance, inductance, and capacitance are R =3 Ω, L= 6.20E-03H , and C=6.70E-04 F, respectively. What is the amplitude of the current?

a) 2.259E-01 A
b) 2.485E-01 A
c) 2.733E-01 A
d) 3.007E-01 A
e) 3.307E-01 A

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

QB153089888070

1) An ac generator produces an emf of amplitude 87 V at a frequency of 44 Hz. What is the maximum amplitude of the current if the generator is connected to a 9 mF capacitor?

-a) 1.626E-01 A
-b) 1.789E-01 A
-c) 1.968E-01 A
+d) 2.165E-01 A
-e) 2.381E-01 A

2) The output of an ac generator connected to an RLC series combination has a frequency of 1.90E+04 Hz and an amplitude of 3 V. If R =8 Ω, L= 9.70E-03H , and C=9.70E-06 F, what is the rms power transferred to the resistor?

-a) 7.670E-04 Watts
-b) 8.436E-04 Watts
-c) 9.280E-04 Watts
-d) 1.021E-03 Watts
+e) 1.123E-03 Watts

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.82 V. The resistance, inductance, and capacitance are R =3 Ω, L= 6.20E-03H , and C=6.70E-04 F, respectively. What is the amplitude of the current?

-a) 2.259E-01 A
-b) 2.485E-01 A
+c) 2.733E-01 A
-d) 3.007E-01 A
-e) 3.307E-01 A

### QB:Ch 16:V0

QB153089888070

1)
A parallel plate capacitor with a capicatnce C=1.40E-06 F whose plates have an area A=980.0 m2 and separation d=6.20E-03 m is connected via a swith to a 8 Ω resistor and a battery of voltage V0=53 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=2.40E-05?
a) 5.154E+03 V/m
b) 5.669E+03 V/m
c) 6.236E+03 V/m
d) 6.860E+03 V/m
e) 7.545E+03 V/m

2) What is the radiation pressure on an object that is 9.30E+11 m away from the sun and has cross-sectional area of 0.019 m2? The average power output of the Sun is 3.80E+26 W.

a) 2.332E-07 N/m2
b) 2.566E-07 N/m2
c) 2.822E-07 N/m2
d) 3.104E-07 N/m2
e) 3.415E-07 N/m2
3)
A parallel plate capacitor with a capicatnce C=9.80E-06 F whose plates have an area A=9.60E+03 m2 and separation d=8.70E-03 m is connected via a swith to a 23 Ω resistor and a battery of voltage V0=3 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=7.20E-04?
a) 2.877E+00 V
b) 3.165E+00 V
c) 3.481E+00 V
d) 3.829E+00 V
e) 4.212E+00 V

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

QB153089888070

1)
A parallel plate capacitor with a capicatnce C=1.40E-06 F whose plates have an area A=980.0 m2 and separation d=6.20E-03 m is connected via a swith to a 8 Ω resistor and a battery of voltage V0=53 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=2.40E-05?
-a) 5.154E+03 V/m
-b) 5.669E+03 V/m
-c) 6.236E+03 V/m
-d) 6.860E+03 V/m
+e) 7.545E+03 V/m

2) What is the radiation pressure on an object that is 9.30E+11 m away from the sun and has cross-sectional area of 0.019 m2? The average power output of the Sun is 3.80E+26 W.

+a) 2.332E-07 N/m2
-b) 2.566E-07 N/m2
-c) 2.822E-07 N/m2
-d) 3.104E-07 N/m2
-e) 3.415E-07 N/m2
3)
A parallel plate capacitor with a capicatnce C=9.80E-06 F whose plates have an area A=9.60E+03 m2 and separation d=8.70E-03 m is connected via a swith to a 23 Ω resistor and a battery of voltage V0=3 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=7.20E-04?
+a) 2.877E+00 V
-b) 3.165E+00 V
-c) 3.481E+00 V
-d) 3.829E+00 V
-e) 4.212E+00 V

### QB:Ch 16:V1

QB153089888070

1)
A parallel plate capacitor with a capicatnce C=1.20E-06 F whose plates have an area A=1.00E+03 m2 and separation d=7.70E-03 m is connected via a swith to a 32 Ω resistor and a battery of voltage V0=38 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=1.40E-04?
a) 3.972E+03 V/m
b) 4.369E+03 V/m
c) 4.806E+03 V/m
d) 5.287E+03 V/m
e) 5.816E+03 V/m

2) What is the radiation pressure on an object that is 2.40E+11 m away from the sun and has cross-sectional area of 0.019 m2? The average power output of the Sun is 3.80E+26 W.

a) 2.392E-06 N/m2
b) 2.631E-06 N/m2
c) 2.894E-06 N/m2
d) 3.184E-06 N/m2
e) 3.502E-06 N/m2
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

QB153089888070

1)
A parallel plate capacitor with a capicatnce C=1.20E-06 F whose plates have an area A=1.00E+03 m2 and separation d=7.70E-03 m is connected via a swith to a 32 Ω resistor and a battery of voltage V0=38 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=1.40E-04?
-a) 3.972E+03 V/m
-b) 4.369E+03 V/m
+c) 4.806E+03 V/m
-d) 5.287E+03 V/m
-e) 5.816E+03 V/m

2) What is the radiation pressure on an object that is 2.40E+11 m away from the sun and has cross-sectional area of 0.019 m2? The average power output of the Sun is 3.80E+26 W.

-a) 2.392E-06 N/m2
-b) 2.631E-06 N/m2
-c) 2.894E-06 N/m2
-d) 3.184E-06 N/m2
+e) 3.502E-06 N/m2
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

QB153089888070

1) What is the radiation pressure on an object that is 8.90E+11 m away from the sun and has cross-sectional area of 0.013 m2? The average power output of the Sun is 3.80E+26 W.

a) 2.315E-07 N/m2
b) 2.547E-07 N/m2
c) 2.801E-07 N/m2
d) 3.082E-07 N/m2
e) 3.390E-07 N/m2
2)
A parallel plate capacitor with a capicatnce C=5.60E-06 F whose plates have an area A=2.00E+03 m2 and separation d=3.10E-03 m is connected via a swith to a 68 Ω resistor and a battery of voltage V0=73 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=8.50E-04?
a) 1.579E+04 V/m
b) 1.737E+04 V/m
c) 1.911E+04 V/m
d) 2.102E+04 V/m
e) 2.312E+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:V2

QB153089888070

1) What is the radiation pressure on an object that is 8.90E+11 m away from the sun and has cross-sectional area of 0.013 m2? The average power output of the Sun is 3.80E+26 W.

-a) 2.315E-07 N/m2
+b) 2.547E-07 N/m2
-c) 2.801E-07 N/m2
-d) 3.082E-07 N/m2
-e) 3.390E-07 N/m2
2)
A parallel plate capacitor with a capicatnce C=5.60E-06 F whose plates have an area A=2.00E+03 m2 and separation d=3.10E-03 m is connected via a swith to a 68 Ω resistor and a battery of voltage V0=73 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=8.50E-04?
-a) 1.579E+04 V/m
-b) 1.737E+04 V/m
-c) 1.911E+04 V/m
+d) 2.102E+04 V/m
-e) 2.312E+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