# Quizbank/Electricity and Magnetism (calculus based)/QB153099154221

QB153099154221

### QB:Ch 5:V0

QB153099154221

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=5e}$?
a) 2.248E-14 N
b) 2.473E-14 N
c) 2.721E-14 N
d) 2.993E-14 N
e) 3.292E-14 N

2)  ${\displaystyle E(z)=\int _{0}^{R}f(r',z)dr'}$
is an integral that calculates the magnitude of the electric field at a distance ${\displaystyle z}$ fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is ${\displaystyle R=7.2{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =3{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=3.6{\text{ m}}}$.

a) 1.606E+00 V/m2
b) 1.767E+00 V/m2
c) 1.943E+00 V/m2
d) 2.138E+00 V/m2
e) 2.351E+00 V/m2
3)
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

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

QB153099154221

1)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=4\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=2e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=5e}$?
-a) 2.248E-14 N
-b) 2.473E-14 N
+c) 2.721E-14 N
-d) 2.993E-14 N
-e) 3.292E-14 N

2)  ${\displaystyle E(z)=\int _{0}^{R}f(r',z)dr'}$
is an integral that calculates the magnitude of the electric field at a distance ${\displaystyle z}$ fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is ${\displaystyle R=7.2{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =3{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=3.6{\text{ m}}}$.

+a) 1.606E+00 V/m2
-b) 1.767E+00 V/m2
-c) 1.943E+00 V/m2
-d) 2.138E+00 V/m2
-e) 2.351E+00 V/m2
3)
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

### QB:Ch 5:V1

QB153099154221

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 ${\displaystyle q_{1}=1e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=3e}$?
a) 5.243E-14 N
b) 5.768E-14 N
c) 6.344E-14 N
d) 6.979E-14 N
e) 7.677E-14 N
2)
A ring is uniformly charged with a net charge of 5 nC. The radius of the ring is R=1.9 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.3 m (on axis) away from the loop's center?
a) 4.788E+09 N/C2
b) 5.267E+09 N/C2
c) 5.793E+09 N/C2
d) 6.373E+09 N/C2
e) 7.010E+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 ${\displaystyle R=6.9{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =9{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=4.3{\text{ m}}}$.

a) 8.924E-01 V/m2
b) 9.816E-01 V/m2
c) 1.080E+00 V/m2
d) 1.188E+00 V/m2
e) 1.307E+00 V/m2

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

QB153099154221

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 ${\displaystyle q_{1}=1e}$, ${\displaystyle q_{2}=-8e}$, and ${\displaystyle q_{3}=3e}$?
-a) 5.243E-14 N
+b) 5.768E-14 N
-c) 6.344E-14 N
-d) 6.979E-14 N
-e) 7.677E-14 N
2)
A ring is uniformly charged with a net charge of 5 nC. The radius of the ring is R=1.9 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.3 m (on axis) away from the loop's center?
+a) 4.788E+09 N/C2
-b) 5.267E+09 N/C2
-c) 5.793E+09 N/C2
-d) 6.373E+09 N/C2
-e) 7.010E+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 ${\displaystyle R=6.9{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =9{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=4.3{\text{ m}}}$.

-a) 8.924E-01 V/m2
-b) 9.816E-01 V/m2
+c) 1.080E+00 V/m2
-d) 1.188E+00 V/m2
-e) 1.307E+00 V/m2

### QB:Ch 5:V2

QB153099154221

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 ${\displaystyle R=1.4{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =6{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=0.56{\text{ m}}}$.

a) 2.567E+01 V/m2
b) 2.824E+01 V/m2
c) 3.106E+01 V/m2
d) 3.417E+01 V/m2
e) 3.759E+01 V/m2
2)
A ring is uniformly charged with a net charge of 3 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=0.34 m (on axis) away from the loop's center?
a) 1.202E+09 N/C2
b) 1.322E+09 N/C2
c) 1.454E+09 N/C2
d) 1.599E+09 N/C2
e) 1.759E+09 N/C2
3)
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 ${\displaystyle q_{3}=3e}$?
a) 4.171E-14 N
b) 4.588E-14 N
c) 5.047E-14 N
d) 5.551E-14 N
e) 6.107E-14 N

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

QB153099154221

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 ${\displaystyle R=1.4{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =6{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=0.56{\text{ m}}}$.

-a) 2.567E+01 V/m2
-b) 2.824E+01 V/m2
-c) 3.106E+01 V/m2
-d) 3.417E+01 V/m2
+e) 3.759E+01 V/m2
2)
A ring is uniformly charged with a net charge of 3 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=0.34 m (on axis) away from the loop's center?
-a) 1.202E+09 N/C2
-b) 1.322E+09 N/C2
-c) 1.454E+09 N/C2
-d) 1.599E+09 N/C2
+e) 1.759E+09 N/C2
3)
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 ${\displaystyle q_{3}=3e}$?
-a) 4.171E-14 N
-b) 4.588E-14 N
+c) 5.047E-14 N
-d) 5.551E-14 N
-e) 6.107E-14 N

### QB:Ch 6:V0

QB153099154221

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=1.6 m, y=y1=4.3 m, z=z0=1.3 m, and z=z1=5.1 m. The surfaces in the yz plane each have area 10.0m2. Those in the xy plane have area 4.0m2 ,and those in the zx plane have area 5.7m2. An electric field has the xyz components (0, 5.7, 7.5) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 3.249E+01 N·m2/C
b) 3.574E+01 N·m2/C
c) 3.931E+01 N·m2/C
d) 4.324E+01 N·m2/C
e) 4.757E+01 N·m2/C

3) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 6.5 nano-Coulombs. What is the magnitude of the electric field at a distance of 1.3 m from the center of the shells?

a) 2.601E+01 N/C
b) 2.861E+01 N/C
c) 3.147E+01 N/C
d) 3.462E+01 N/C
e) 3.808E+01 N/C

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

QB153099154221

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=1.6 m, y=y1=4.3 m, z=z0=1.3 m, and z=z1=5.1 m. The surfaces in the yz plane each have area 10.0m2. Those in the xy plane have area 4.0m2 ,and those in the zx plane have area 5.7m2. An electric field has the xyz components (0, 5.7, 7.5) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
+a) 3.249E+01 N·m2/C
-b) 3.574E+01 N·m2/C
-c) 3.931E+01 N·m2/C
-d) 4.324E+01 N·m2/C
-e) 4.757E+01 N·m2/C

3) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 6.5 nano-Coulombs. What is the magnitude of the electric field at a distance of 1.3 m from the center of the shells?

-a) 2.601E+01 N/C
-b) 2.861E+01 N/C
-c) 3.147E+01 N/C
+d) 3.462E+01 N/C
-e) 3.808E+01 N/C

### QB:Ch 6:V1

QB153099154221

1) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 7.4 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.4 m from the center of the shells?

a) 8.580E+00 N/C
b) 9.438E+00 N/C
c) 1.038E+01 N/C
d) 1.142E+01 N/C
e) 1.256E+01 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=1.6 m. The other four surfaces are rectangles in y=y0=1.6 m, y=y1=5.6 m, z=z0=1.8 m, and z=z1=4.4 m. The surfaces in the yz plane each have area 10.0m2. Those in the xy plane have area 6.4m2 ,and those in the zx plane have area 4.2m2. An electric field has the xyz components (0, 5.5, 7.3) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 1.891E+01 N·m2/C
b) 2.080E+01 N·m2/C
c) 2.288E+01 N·m2/C
d) 2.517E+01 N·m2/C
e) 2.768E+01 N·m2/C

3) 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=8, y=0), (x=0, y=6), and (x=8, y=6), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=4y^{1.4}{\hat {i}}+2x^{2.3}{\hat {j}}+4y^{2.3}{\hat {k}}}$

a) 2.694E+03 V·m
b) 2.963E+03 V·m
c) 3.259E+03 V·m
d) 3.585E+03 V·m
e) 3.944E+03 V·m

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

QB153099154221

1) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 7.4 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.4 m from the center of the shells?

-a) 8.580E+00 N/C
-b) 9.438E+00 N/C
-c) 1.038E+01 N/C
+d) 1.142E+01 N/C
-e) 1.256E+01 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=1.6 m. The other four surfaces are rectangles in y=y0=1.6 m, y=y1=5.6 m, z=z0=1.8 m, and z=z1=4.4 m. The surfaces in the yz plane each have area 10.0m2. Those in the xy plane have area 6.4m2 ,and those in the zx plane have area 4.2m2. An electric field has the xyz components (0, 5.5, 7.3) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 1.891E+01 N·m2/C
-b) 2.080E+01 N·m2/C
+c) 2.288E+01 N·m2/C
-d) 2.517E+01 N·m2/C
-e) 2.768E+01 N·m2/C

3) 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=8, y=0), (x=0, y=6), and (x=8, y=6), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=4y^{1.4}{\hat {i}}+2x^{2.3}{\hat {j}}+4y^{2.3}{\hat {k}}}$

-a) 2.694E+03 V·m
-b) 2.963E+03 V·m
-c) 3.259E+03 V·m
+d) 3.585E+03 V·m
-e) 3.944E+03 V·m

### QB:Ch 6:V2

QB153099154221

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

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 5.6 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.6 m from the center of the shells?

a) 6.641E+00 N/C
b) 7.305E+00 N/C
c) 8.036E+00 N/C
d) 8.839E+00 N/C
e) 9.723E+00 N/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=8, y=0), (x=0, y=8), and (x=8, y=8), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=2y^{2.0}{\hat {i}}+2x^{2.1}{\hat {j}}+3y^{2.5}{\hat {k}}}$

a) 9.027E+03 V·m
b) 9.930E+03 V·m
c) 1.092E+04 V·m
d) 1.202E+04 V·m
e) 1.322E+04 V·m

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

QB153099154221

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

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 5.6 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.6 m from the center of the shells?

-a) 6.641E+00 N/C
-b) 7.305E+00 N/C
+c) 8.036E+00 N/C
-d) 8.839E+00 N/C
-e) 9.723E+00 N/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=8, y=0), (x=0, y=8), and (x=8, y=8), where x and y are measured in meters. The electric field is,
${\displaystyle {\vec {E}}=2y^{2.0}{\hat {i}}+2x^{2.1}{\hat {j}}+3y^{2.5}{\hat {k}}}$

-a) 9.027E+03 V·m
+b) 9.930E+03 V·m
-c) 1.092E+04 V·m
-d) 1.202E+04 V·m
-e) 1.322E+04 V·m

### QB:Ch 7:V0

QB153099154221

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)
Four charges lie at the corners of a 5 cm by 5 cm square as shown (i.e., a=b=5 cm.) The charges are q1=3 μC, q2=4 μC, q3=7 μC, and q4=9 μC. How much work was required to assemble these four charges from infinity?
a) 2.300E+01 J
b) 2.530E+01 J
c) 2.783E+01 J
d) 3.061E+01 J
e) 3.367E+01 J
3)
A Van de Graff generator has a 141 cm diameter metal sphere that produces 280 kV near its surface. What is the excess charge on the sphere?
a) 1.500E+01 μC
b) 1.650E+01 μC
c) 1.815E+01 μC
d) 1.997E+01 μC
e) 2.196E+01 μC

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

QB153099154221

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)
Four charges lie at the corners of a 5 cm by 5 cm square as shown (i.e., a=b=5 cm.) The charges are q1=3 μC, q2=4 μC, q3=7 μC, and q4=9 μC. How much work was required to assemble these four charges from infinity?
-a) 2.300E+01 J
-b) 2.530E+01 J
-c) 2.783E+01 J
+d) 3.061E+01 J
-e) 3.367E+01 J
3)
A Van de Graff generator has a 141 cm diameter metal sphere that produces 280 kV near its surface. What is the excess charge on the sphere?
-a) 1.500E+01 μC
-b) 1.650E+01 μC
-c) 1.815E+01 μC
-d) 1.997E+01 μC
+e) 2.196E+01 μC

### QB:Ch 7:V1

QB153099154221

1) Two large parallel conducting plates are separated by 6.95 mm. Equal and opposite surface charges of 7.360E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 83 V?

a) 6.565E-01 mm
b) 7.550E-01 mm
c) 8.683E-01 mm
d) 9.985E-01 mm
e) 1.148E+00 mm
2)
A Van de Graff generator has a 114 cm diameter metal sphere that produces 289 kV near its surface. What is the excess charge on the sphere?
a) 1.833E+01 μC
b) 2.016E+01 μC
c) 2.218E+01 μC
d) 2.440E+01 μC
e) 2.684E+01 μC
3)
Four charges lie at the corners of a 5 cm by 5 cm square as shown (i.e., a=b=5 cm.) The charges are q1=4 μC, q2=7 μC, q3=8 μC, and q4=9 μC. How much work was required to assemble these four charges from infinity?
a) 4.235E+01 J
b) 4.659E+01 J
c) 5.125E+01 J
d) 5.637E+01 J
e) 6.201E+01 J

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

QB153099154221

1) Two large parallel conducting plates are separated by 6.95 mm. Equal and opposite surface charges of 7.360E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 83 V?

-a) 6.565E-01 mm
-b) 7.550E-01 mm
-c) 8.683E-01 mm
+d) 9.985E-01 mm
-e) 1.148E+00 mm
2)
A Van de Graff generator has a 114 cm diameter metal sphere that produces 289 kV near its surface. What is the excess charge on the sphere?
+a) 1.833E+01 μC
-b) 2.016E+01 μC
-c) 2.218E+01 μC
-d) 2.440E+01 μC
-e) 2.684E+01 μC
3)
Four charges lie at the corners of a 5 cm by 5 cm square as shown (i.e., a=b=5 cm.) The charges are q1=4 μC, q2=7 μC, q3=8 μC, and q4=9 μC. How much work was required to assemble these four charges from infinity?
-a) 4.235E+01 J
+b) 4.659E+01 J
-c) 5.125E+01 J
-d) 5.637E+01 J
-e) 6.201E+01 J

### QB:Ch 7:V2

QB153099154221

1)
A Van de Graff generator has a 85 cm diameter metal sphere that produces 235 kV near its surface. What is the excess charge on the sphere?
a) 9.184E+00 μC
b) 1.010E+01 μC
c) 1.111E+01 μC
d) 1.222E+01 μC
e) 1.345E+01 μC

2) Two large parallel conducting plates are separated by 9.6 mm. Equal and opposite surface charges of 7.610E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 71 V?

a) 4.723E-01 mm
b) 5.432E-01 mm
c) 6.246E-01 mm
d) 7.183E-01 mm
e) 8.261E-01 mm
3)
Four charges lie at the corners of a 3 cm by 3 cm square as shown (i.e., a=b=3 cm.) The charges are q1=3 μC, q2=6 μC, q3=9 μC, and q4=12 μC. How much work was required to assemble these four charges from infinity?
a) 7.789E+01 J
b) 8.568E+01 J
c) 9.425E+01 J
d) 1.037E+02 J
e) 1.140E+02 J

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

QB153099154221

1)
A Van de Graff generator has a 85 cm diameter metal sphere that produces 235 kV near its surface. What is the excess charge on the sphere?
-a) 9.184E+00 μC
-b) 1.010E+01 μC
+c) 1.111E+01 μC
-d) 1.222E+01 μC
-e) 1.345E+01 μC

2) Two large parallel conducting plates are separated by 9.6 mm. Equal and opposite surface charges of 7.610E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 71 V?

-a) 4.723E-01 mm
-b) 5.432E-01 mm
-c) 6.246E-01 mm
-d) 7.183E-01 mm
+e) 8.261E-01 mm
3)
Four charges lie at the corners of a 3 cm by 3 cm square as shown (i.e., a=b=3 cm.) The charges are q1=3 μC, q2=6 μC, q3=9 μC, and q4=12 μC. How much work was required to assemble these four charges from infinity?
-a) 7.789E+01 J
+b) 8.568E+01 J
-c) 9.425E+01 J
-d) 1.037E+02 J
-e) 1.140E+02 J

### QB:Ch 8:V0

QB153099154221

1)
In the figure shown C1=19.9 μF, C2=2.25 μF, and C3=4.75 μF. The voltage source provides ε=6.93 V. What is the charge on C1?
a) 2.451E+01 μC
b) 2.696E+01 μC
c) 2.966E+01 μC
d) 3.262E+01 μC
e) 3.589E+01 μC

2) An empty parallel-plate capacitor with metal plates has an area of 2.21 m2, separated by 1.25 mm. How much charge does it store if the voltage is 1.580E+03 V?

a) 2.249E+01 μC
b) 2.473E+01 μC
c) 2.721E+01 μC
d) 2.993E+01 μC
e) 3.292E+01 μC
3)
What is the net capacitance if C1=3.54 μF, C2=3.53 μF, and C3=3.65 μF in the configuration shown?
a) 3.700E+00 μF
b) 4.070E+00 μF
c) 4.477E+00 μF
d) 4.925E+00 μF
e) 5.417E+00 μF

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

QB153099154221

1)
In the figure shown C1=19.9 μF, C2=2.25 μF, and C3=4.75 μF. The voltage source provides ε=6.93 V. What is the charge on C1?
-a) 2.451E+01 μC
-b) 2.696E+01 μC
-c) 2.966E+01 μC
-d) 3.262E+01 μC
+e) 3.589E+01 μC

2) An empty parallel-plate capacitor with metal plates has an area of 2.21 m2, separated by 1.25 mm. How much charge does it store if the voltage is 1.580E+03 V?

-a) 2.249E+01 μC
+b) 2.473E+01 μC
-c) 2.721E+01 μC
-d) 2.993E+01 μC
-e) 3.292E+01 μC
3)
What is the net capacitance if C1=3.54 μF, C2=3.53 μF, and C3=3.65 μF in the configuration shown?
-a) 3.700E+00 μF
-b) 4.070E+00 μF
-c) 4.477E+00 μF
-d) 4.925E+00 μF
+e) 5.417E+00 μF

### QB:Ch 8:V1

QB153099154221

1)
What is the net capacitance if C1=4.12 μF, C2=3.45 μF, and C3=3.41 μF in the configuration shown?
a) 4.370E+00 μF
b) 4.807E+00 μF
c) 5.288E+00 μF
d) 5.816E+00 μF
e) 6.398E+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=17.9 μF, C2=2.76 μF, and C3=5.12 μF. The voltage source provides ε=13.2 V. What is the charge on C1?
a) 5.969E+01 μC
b) 6.566E+01 μC
c) 7.222E+01 μC
d) 7.944E+01 μC
e) 8.739E+01 μC

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

QB153099154221

1)
What is the net capacitance if C1=4.12 μF, C2=3.45 μF, and C3=3.41 μF in the configuration shown?
-a) 4.370E+00 μF
-b) 4.807E+00 μF
+c) 5.288E+00 μF
-d) 5.816E+00 μF
-e) 6.398E+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=17.9 μF, C2=2.76 μF, and C3=5.12 μF. The voltage source provides ε=13.2 V. What is the charge on C1?
-a) 5.969E+01 μC
-b) 6.566E+01 μC
+c) 7.222E+01 μC
-d) 7.944E+01 μC
-e) 8.739E+01 μC

### QB:Ch 8:V2

QB153099154221

1)
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

2) An empty parallel-plate capacitor with metal plates has an area of 2.21 m2, separated by 1.25 mm. How much charge does it store if the voltage is 1.580E+03 V?

a) 2.249E+01 μC
b) 2.473E+01 μC
c) 2.721E+01 μC
d) 2.993E+01 μC
e) 3.292E+01 μC
3)
What is the net capacitance if C1=4.7 μF, C2=4.82 μF, and C3=3.61 μF in the configuration shown?
a) 5.445E+00 μF
b) 5.990E+00 μF
c) 6.589E+00 μF
d) 7.247E+00 μF
e) 7.972E+00 μF

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

QB153099154221

1)
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

2) An empty parallel-plate capacitor with metal plates has an area of 2.21 m2, separated by 1.25 mm. How much charge does it store if the voltage is 1.580E+03 V?

-a) 2.249E+01 μC
+b) 2.473E+01 μC
-c) 2.721E+01 μC
-d) 2.993E+01 μC
-e) 3.292E+01 μC
3)
What is the net capacitance if C1=4.7 μF, C2=4.82 μF, and C3=3.61 μF in the configuration shown?
-a) 5.445E+00 μF
+b) 5.990E+00 μF
-c) 6.589E+00 μF
-d) 7.247E+00 μF
-e) 7.972E+00 μF

### QB:Ch 9:V0

QB153099154221

1) Calculate the drift speed of electrons in a copper wire with a diameter of 4.38 mm carrying a 5.79 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

a) 2.615E-05 m/s
b) 2.876E-05 m/s
c) 3.164E-05 m/s
d) 3.480E-05 m/s
e) 3.828E-05 m/s

2) A DC winch moter draws 23 amps at 170 volts as it lifts a 5.200E+03 N weight at a constant speed of 0.662 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

a) 7.305E-01 Ω
b) 8.036E-01 Ω
c) 8.839E-01 Ω
d) 9.723E-01 Ω
e) 1.070E+00 Ω

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 4.08 Ω at a temperature of 26°C and that the temperature coefficient of expansion is 4.800E-03 (°C)−1). What is the resistance at a temperature of 388 °C?

a) 1.064E+01 Ω
b) 1.117E+01 Ω
c) 1.173E+01 Ω
d) 1.231E+01 Ω
e) 1.293E+01 Ω

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

QB153099154221

1) Calculate the drift speed of electrons in a copper wire with a diameter of 4.38 mm carrying a 5.79 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

-a) 2.615E-05 m/s
+b) 2.876E-05 m/s
-c) 3.164E-05 m/s
-d) 3.480E-05 m/s
-e) 3.828E-05 m/s

2) A DC winch moter draws 23 amps at 170 volts as it lifts a 5.200E+03 N weight at a constant speed of 0.662 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

-a) 7.305E-01 Ω
-b) 8.036E-01 Ω
+c) 8.839E-01 Ω
-d) 9.723E-01 Ω
-e) 1.070E+00 Ω

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 4.08 Ω at a temperature of 26°C and that the temperature coefficient of expansion is 4.800E-03 (°C)−1). What is the resistance at a temperature of 388 °C?

-a) 1.064E+01 Ω
+b) 1.117E+01 Ω
-c) 1.173E+01 Ω
-d) 1.231E+01 Ω
-e) 1.293E+01 Ω

### QB:Ch 9:V1

QB153099154221

1) A DC winch moter draws 27 amps at 190 volts as it lifts a 4.910E+03 N weight at a constant speed of 0.769 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

a) 1.396E+00 Ω
b) 1.535E+00 Ω
c) 1.689E+00 Ω
d) 1.858E+00 Ω
e) 2.043E+00 Ω

2) Calculate the drift speed of electrons in a copper wire with a diameter of 3.53 mm carrying a 2.8 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

a) 1.947E-05 m/s
b) 2.141E-05 m/s
c) 2.355E-05 m/s
d) 2.591E-05 m/s
e) 2.850E-05 m/s

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:V1

QB153099154221

1) A DC winch moter draws 27 amps at 190 volts as it lifts a 4.910E+03 N weight at a constant speed of 0.769 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

-a) 1.396E+00 Ω
-b) 1.535E+00 Ω
-c) 1.689E+00 Ω
+d) 1.858E+00 Ω
-e) 2.043E+00 Ω

2) Calculate the drift speed of electrons in a copper wire with a diameter of 3.53 mm carrying a 2.8 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

-a) 1.947E-05 m/s
+b) 2.141E-05 m/s
-c) 2.355E-05 m/s
-d) 2.591E-05 m/s
-e) 2.850E-05 m/s

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 9:V2

QB153099154221

1) Imagine a substance could be made into a very hot filament. Suppose the resitance is 6.74 Ω at a temperature of 89°C and that the temperature coefficient of expansion is 4.990E-03 (°C)−1). What is the resistance at a temperature of 366 °C?

a) 1.529E+01 Ω
b) 1.606E+01 Ω
c) 1.686E+01 Ω
d) 1.770E+01 Ω
e) 1.859E+01 Ω

2) A DC winch moter draws 26 amps at 153 volts as it lifts a 4.100E+03 N weight at a constant speed of 0.609 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

a) 2.191E+00 Ω
b) 2.410E+00 Ω
c) 2.651E+00 Ω
d) 2.916E+00 Ω
e) 3.208E+00 Ω

3) Calculate the drift speed of electrons in a copper wire with a diameter of 3.53 mm carrying a 2.8 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

a) 1.947E-05 m/s
b) 2.141E-05 m/s
c) 2.355E-05 m/s
d) 2.591E-05 m/s
e) 2.850E-05 m/s

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

QB153099154221

1) Imagine a substance could be made into a very hot filament. Suppose the resitance is 6.74 Ω at a temperature of 89°C and that the temperature coefficient of expansion is 4.990E-03 (°C)−1). What is the resistance at a temperature of 366 °C?

-a) 1.529E+01 Ω
+b) 1.606E+01 Ω
-c) 1.686E+01 Ω
-d) 1.770E+01 Ω
-e) 1.859E+01 Ω

2) A DC winch moter draws 26 amps at 153 volts as it lifts a 4.100E+03 N weight at a constant speed of 0.609 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

+a) 2.191E+00 Ω
-b) 2.410E+00 Ω
-c) 2.651E+00 Ω
-d) 2.916E+00 Ω
-e) 3.208E+00 Ω

3) Calculate the drift speed of electrons in a copper wire with a diameter of 3.53 mm carrying a 2.8 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

-a) 1.947E-05 m/s
+b) 2.141E-05 m/s
-c) 2.355E-05 m/s
-d) 2.591E-05 m/s
-e) 2.850E-05 m/s

### QB:Ch 10:V0

QB153099154221

1) A battery with a terminal voltage of 10.7 V is connected to a circuit consisting of 2 24.5 Ω resistors and one 15.2 Ω resistor. What is the voltage drop across the 15.2 Ω resistor?

a) 1.730E+00 V
b) 1.903E+00 V
c) 2.094E+00 V
d) 2.303E+00 V
e) 2.533E+00 V

2) Three resistors, R1 = 0.61 Ω, and R2 = R2 = 1.35 Ω, are connected in parallel to a 7.04 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

a) 7.386E+01 W
b) 8.125E+01 W
c) 8.937E+01 W
d) 9.831E+01 W
e) 1.081E+02 W
3)
In the circuit shown V=19.6 V, R1=1.45 Ω, R2=7.85 Ω, and R3=15.8 Ω. What is the power dissipated by R2?
a) 2.730E+01 W
b) 3.003E+01 W
c) 3.304E+01 W
d) 3.634E+01 W
e) 3.998E+01 W

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

QB153099154221

1) A battery with a terminal voltage of 10.7 V is connected to a circuit consisting of 2 24.5 Ω resistors and one 15.2 Ω resistor. What is the voltage drop across the 15.2 Ω resistor?

-a) 1.730E+00 V
-b) 1.903E+00 V
-c) 2.094E+00 V
-d) 2.303E+00 V
+e) 2.533E+00 V

2) Three resistors, R1 = 0.61 Ω, and R2 = R2 = 1.35 Ω, are connected in parallel to a 7.04 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

-a) 7.386E+01 W
+b) 8.125E+01 W
-c) 8.937E+01 W
-d) 9.831E+01 W
-e) 1.081E+02 W
3)
In the circuit shown V=19.6 V, R1=1.45 Ω, R2=7.85 Ω, and R3=15.8 Ω. What is the power dissipated by R2?
-a) 2.730E+01 W
+b) 3.003E+01 W
-c) 3.304E+01 W
-d) 3.634E+01 W
-e) 3.998E+01 W

### QB:Ch 10:V1

QB153099154221

1)
In the circuit shown V=10.9 V, R1=1.68 Ω, R2=7.52 Ω, and R3=12.8 Ω. What is the power dissipated by R2?
a) 7.827E+00 W
b) 8.610E+00 W
c) 9.470E+00 W
d) 1.042E+01 W
e) 1.146E+01 W

2) A battery with a terminal voltage of 8.41 V is connected to a circuit consisting of 3 16.1 Ω resistors and one 10.9 Ω resistor. What is the voltage drop across the 10.9 Ω resistor?

a) 1.058E+00 V
b) 1.163E+00 V
c) 1.280E+00 V
d) 1.408E+00 V
e) 1.548E+00 V

3) Three resistors, R1 = 1.82 Ω, and R2 = R2 = 4.14 Ω, are connected in parallel to a 5.65 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

a) 1.754E+01 W
b) 1.929E+01 W
c) 2.122E+01 W
d) 2.335E+01 W
e) 2.568E+01 W

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

QB153099154221

1)
In the circuit shown V=10.9 V, R1=1.68 Ω, R2=7.52 Ω, and R3=12.8 Ω. What is the power dissipated by R2?
-a) 7.827E+00 W
+b) 8.610E+00 W
-c) 9.470E+00 W
-d) 1.042E+01 W
-e) 1.146E+01 W

2) A battery with a terminal voltage of 8.41 V is connected to a circuit consisting of 3 16.1 Ω resistors and one 10.9 Ω resistor. What is the voltage drop across the 10.9 Ω resistor?

-a) 1.058E+00 V
-b) 1.163E+00 V
-c) 1.280E+00 V
-d) 1.408E+00 V
+e) 1.548E+00 V

3) Three resistors, R1 = 1.82 Ω, and R2 = R2 = 4.14 Ω, are connected in parallel to a 5.65 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

+a) 1.754E+01 W
-b) 1.929E+01 W
-c) 2.122E+01 W
-d) 2.335E+01 W
-e) 2.568E+01 W

### QB:Ch 10:V2

QB153099154221

1)
In the circuit shown V=11.9 V, R1=2.75 Ω, R2=7.19 Ω, and R3=14.6 Ω. What is the power dissipated by R2?
a) 7.982E+00 W
b) 8.780E+00 W
c) 9.658E+00 W
d) 1.062E+01 W
e) 1.169E+01 W

2) A battery with a terminal voltage of 6.49 V is connected to a circuit consisting of 3 18.0 Ω resistors and one 10.3 Ω resistor. What is the voltage drop across the 10.3 Ω resistor?

a) 7.101E-01 V
b) 7.811E-01 V
c) 8.592E-01 V
d) 9.451E-01 V
e) 1.040E+00 V

3) Three resistors, R1 = 1.52 Ω, and R2 = R2 = 3.38 Ω, are connected in parallel to a 5.82 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

a) 1.842E+01 W
b) 2.026E+01 W
c) 2.228E+01 W
d) 2.451E+01 W
e) 2.696E+01 W

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

QB153099154221

1)
In the circuit shown V=11.9 V, R1=2.75 Ω, R2=7.19 Ω, and R3=14.6 Ω. What is the power dissipated by R2?
+a) 7.982E+00 W
-b) 8.780E+00 W
-c) 9.658E+00 W
-d) 1.062E+01 W
-e) 1.169E+01 W

2) A battery with a terminal voltage of 6.49 V is connected to a circuit consisting of 3 18.0 Ω resistors and one 10.3 Ω resistor. What is the voltage drop across the 10.3 Ω resistor?

-a) 7.101E-01 V
-b) 7.811E-01 V
-c) 8.592E-01 V
-d) 9.451E-01 V
+e) 1.040E+00 V

3) Three resistors, R1 = 1.52 Ω, and R2 = R2 = 3.38 Ω, are connected in parallel to a 5.82 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

-a) 1.842E+01 W
-b) 2.026E+01 W
+c) 2.228E+01 W
-d) 2.451E+01 W
-e) 2.696E+01 W

### QB:Ch 11:V0

QB153099154221

1) A charged particle in a magnetic field of 4.660E-04 T is moving perpendicular to the magnetic field with a speed of 7.720E+05 m/s. What is the period of orbit if orbital radius is 0.747 m?

a) 6.080E-06 s
b) 6.688E-06 s
c) 7.356E-06 s
d) 8.092E-06 s
e) 8.901E-06 s

2) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.378 m and a magneticfield of 0.835 T. What is their maximum kinetic energy?

a) 4.365E+00 MeV
b) 4.801E+00 MeV
c) 5.281E+00 MeV
d) 5.809E+00 MeV
e) 6.390E+00 MeV

3) A circular current loop of radius 2.16 cm carries a current of 1.72 mA. What is the magnitude of the torque if the dipole is oriented at 52 ° to a uniform magnetic fied of 0.24 T?

a) 3.582E-07 N m
b) 3.940E-07 N m
c) 4.334E-07 N m
d) 4.768E-07 N m
e) 5.245E-07 N m

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

QB153099154221

1) A charged particle in a magnetic field of 4.660E-04 T is moving perpendicular to the magnetic field with a speed of 7.720E+05 m/s. What is the period of orbit if orbital radius is 0.747 m?

+a) 6.080E-06 s
-b) 6.688E-06 s
-c) 7.356E-06 s
-d) 8.092E-06 s
-e) 8.901E-06 s

2) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.378 m and a magneticfield of 0.835 T. What is their maximum kinetic energy?

-a) 4.365E+00 MeV
+b) 4.801E+00 MeV
-c) 5.281E+00 MeV
-d) 5.809E+00 MeV
-e) 6.390E+00 MeV

3) A circular current loop of radius 2.16 cm carries a current of 1.72 mA. What is the magnitude of the torque if the dipole is oriented at 52 ° to a uniform magnetic fied of 0.24 T?

-a) 3.582E-07 N m
-b) 3.940E-07 N m
-c) 4.334E-07 N m
+d) 4.768E-07 N m
-e) 5.245E-07 N m

### QB:Ch 11:V1

QB153099154221

1) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.419 m and a magneticfield of 1.45 T. What is their maximum kinetic energy?

a) 1.336E+01 MeV
b) 1.470E+01 MeV
c) 1.617E+01 MeV
d) 1.779E+01 MeV
e) 1.957E+01 MeV

2) A charged particle in a magnetic field of 3.720E-04 T is moving perpendicular to the magnetic field with a speed of 4.780E+05 m/s. What is the period of orbit if orbital radius is 0.868 m?

a) 7.793E-06 s
b) 8.572E-06 s
c) 9.429E-06 s
d) 1.037E-05 s
e) 1.141E-05 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:V1

QB153099154221

1) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.419 m and a magneticfield of 1.45 T. What is their maximum kinetic energy?

-a) 1.336E+01 MeV
-b) 1.470E+01 MeV
-c) 1.617E+01 MeV
+d) 1.779E+01 MeV
-e) 1.957E+01 MeV

2) A charged particle in a magnetic field of 3.720E-04 T is moving perpendicular to the magnetic field with a speed of 4.780E+05 m/s. What is the period of orbit if orbital radius is 0.868 m?

-a) 7.793E-06 s
-b) 8.572E-06 s
-c) 9.429E-06 s
-d) 1.037E-05 s
+e) 1.141E-05 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 11:V2

QB153099154221

1) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.388 m and a magneticfield of 1.19 T. What is their maximum kinetic energy?

a) 8.491E+00 MeV
b) 9.340E+00 MeV
c) 1.027E+01 MeV
d) 1.130E+01 MeV
e) 1.243E+01 MeV

2) A circular current loop of radius 3.04 cm carries a current of 1.94 mA. What is the magnitude of the torque if the dipole is oriented at 50 ° to a uniform magnetic fied of 0.193 T?

a) 6.257E-07 N m
b) 6.882E-07 N m
c) 7.570E-07 N m
d) 8.327E-07 N m
e) 9.160E-07 N m

3) A charged particle in a magnetic field of 6.400E-04 T is moving perpendicular to the magnetic field with a speed of 1.360E+05 m/s. What is the period of orbit if orbital radius is 0.751 m?

a) 3.154E-05 s
b) 3.470E-05 s
c) 3.817E-05 s
d) 4.198E-05 s
e) 4.618E-05 s

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

QB153099154221

1) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.388 m and a magneticfield of 1.19 T. What is their maximum kinetic energy?

-a) 8.491E+00 MeV
-b) 9.340E+00 MeV
+c) 1.027E+01 MeV
-d) 1.130E+01 MeV
-e) 1.243E+01 MeV

2) A circular current loop of radius 3.04 cm carries a current of 1.94 mA. What is the magnitude of the torque if the dipole is oriented at 50 ° to a uniform magnetic fied of 0.193 T?

-a) 6.257E-07 N m
-b) 6.882E-07 N m
-c) 7.570E-07 N m
+d) 8.327E-07 N m
-e) 9.160E-07 N m

3) A charged particle in a magnetic field of 6.400E-04 T is moving perpendicular to the magnetic field with a speed of 1.360E+05 m/s. What is the period of orbit if orbital radius is 0.751 m?

-a) 3.154E-05 s
+b) 3.470E-05 s
-c) 3.817E-05 s
-d) 4.198E-05 s
-e) 4.618E-05 s

### QB:Ch 12:V0

QB153099154221

1) Two parallel wires each carry a 7.75 mA current and are oriented in the z direction. The first wire is located in the x-y plane at (4.62 cm, 1.31 cm), while the other is located at (4.63 cm, 5.53 cm). What is the force per unit length between the wires?

a) 2.588E-10 N/m
b) 2.847E-10 N/m
c) 3.131E-10 N/m
d) 3.444E-10 N/m
e) 3.789E-10 N/m

2) 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

3) A wire carries a current of 280 A in a circular arc with radius 2.48 cm swept through 46 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

a) 2.032E+00 Tesla
b) 2.236E+00 Tesla
c) 2.459E+00 Tesla
d) 2.705E+00 Tesla
e) 2.976E+00 Tesla

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

QB153099154221

1) Two parallel wires each carry a 7.75 mA current and are oriented in the z direction. The first wire is located in the x-y plane at (4.62 cm, 1.31 cm), while the other is located at (4.63 cm, 5.53 cm). What is the force per unit length between the wires?

-a) 2.588E-10 N/m
+b) 2.847E-10 N/m
-c) 3.131E-10 N/m
-d) 3.444E-10 N/m
-e) 3.789E-10 N/m

2) 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

3) A wire carries a current of 280 A in a circular arc with radius 2.48 cm swept through 46 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

-a) 2.032E+00 Tesla
-b) 2.236E+00 Tesla
-c) 2.459E+00 Tesla
-d) 2.705E+00 Tesla
+e) 2.976E+00 Tesla

### QB:Ch 12:V1

QB153099154221

1) 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

2) Two parallel wires each carry a 6.26 mA current and are oriented in the z direction. The first wire is located in the x-y plane at (3.4 cm, 1.42 cm), while the other is located at (5.56 cm, 4.99 cm). What is the force per unit length between the wires?

a) 1.283E-10 N/m
b) 1.411E-10 N/m
c) 1.552E-10 N/m
d) 1.708E-10 N/m
e) 1.878E-10 N/m

3) A wire carries a current of 343 A in a circular arc with radius 2.95 cm swept through 38 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

a) 1.902E+00 Tesla
b) 2.092E+00 Tesla
c) 2.301E+00 Tesla
d) 2.532E+00 Tesla
e) 2.785E+00 Tesla

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

QB153099154221

1) 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

2) Two parallel wires each carry a 6.26 mA current and are oriented in the z direction. The first wire is located in the x-y plane at (3.4 cm, 1.42 cm), while the other is located at (5.56 cm, 4.99 cm). What is the force per unit length between the wires?

-a) 1.283E-10 N/m
-b) 1.411E-10 N/m
-c) 1.552E-10 N/m
-d) 1.708E-10 N/m
+e) 1.878E-10 N/m

3) A wire carries a current of 343 A in a circular arc with radius 2.95 cm swept through 38 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

-a) 1.902E+00 Tesla
-b) 2.092E+00 Tesla
-c) 2.301E+00 Tesla
+d) 2.532E+00 Tesla
-e) 2.785E+00 Tesla

### QB:Ch 12:V2

QB153099154221

1) Two parallel wires each carry a 2.58 mA current and are oriented in the z direction. The first wire is located in the x-y plane at (4.79 cm, 1.03 cm), while the other is located at (5.64 cm, 5.12 cm). What is the force per unit length between the wires?

a) 2.634E-11 N/m
b) 2.897E-11 N/m
c) 3.187E-11 N/m
d) 3.506E-11 N/m
e) 3.856E-11 N/m

2) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.51 mm from the center of a wire of radius 5 mm if the current is 1A?

a) 1.208E-05 T
b) 1.329E-05 T
c) 1.462E-05 T
d) 1.608E-05 T
e) 1.769E-05 T

3) A wire carries a current of 266 A in a circular arc with radius 2.21 cm swept through 73 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

a) 5.034E+00 Tesla
b) 5.538E+00 Tesla
c) 6.091E+00 Tesla
d) 6.701E+00 Tesla
e) 7.371E+00 Tesla

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

QB153099154221

1) Two parallel wires each carry a 2.58 mA current and are oriented in the z direction. The first wire is located in the x-y plane at (4.79 cm, 1.03 cm), while the other is located at (5.64 cm, 5.12 cm). What is the force per unit length between the wires?

-a) 2.634E-11 N/m
-b) 2.897E-11 N/m
+c) 3.187E-11 N/m
-d) 3.506E-11 N/m
-e) 3.856E-11 N/m

2) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.51 mm from the center of a wire of radius 5 mm if the current is 1A?

+a) 1.208E-05 T
-b) 1.329E-05 T
-c) 1.462E-05 T
-d) 1.608E-05 T
-e) 1.769E-05 T

3) A wire carries a current of 266 A in a circular arc with radius 2.21 cm swept through 73 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

+a) 5.034E+00 Tesla
-b) 5.538E+00 Tesla
-c) 6.091E+00 Tesla
-d) 6.701E+00 Tesla
-e) 7.371E+00 Tesla

### QB:Ch 13:V0

QB153099154221

1) The current through the windings of a solenoid with n= 2.970E+03 turns per meter is changing at a rate dI/dt=15 A/s. The solenoid is 89 cm long and has a cross-sectional diameter of 3.48 cm. A small coil consisting of N=28turns wraped in a circle of diameter 1.5 cm is placed in the middle of the solenoid such that the plane of the coil is perpendicular to the central axis of the solenoid. Assume that the infinite-solenoid approximation is valid inside the small coil. What is the emf induced in the coil?

a) 2.081E-04 V
b) 2.289E-04 V
c) 2.518E-04 V
d) 2.770E-04 V
e) 3.047E-04 V

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

a) 6.182E-04 V/m
b) 6.801E-04 V/m
c) 7.481E-04 V/m
d) 8.229E-04 V/m
e) 9.052E-04 V/m

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.752 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (1.95)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$7.47 s. What is the current in the coil if the impedance of the coil is 18.0 Ω?

a) 7.402E-01 A
b) 8.142E-01 A
c) 8.956E-01 A
d) 9.852E-01 A
e) 1.084E+00 A

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

QB153099154221

1) The current through the windings of a solenoid with n= 2.970E+03 turns per meter is changing at a rate dI/dt=15 A/s. The solenoid is 89 cm long and has a cross-sectional diameter of 3.48 cm. A small coil consisting of N=28turns wraped in a circle of diameter 1.5 cm is placed in the middle of the solenoid such that the plane of the coil is perpendicular to the central axis of the solenoid. Assume that the infinite-solenoid approximation is valid inside the small coil. What is the emf induced in the coil?

-a) 2.081E-04 V
-b) 2.289E-04 V
-c) 2.518E-04 V
+d) 2.770E-04 V
-e) 3.047E-04 V

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

+a) 6.182E-04 V/m
-b) 6.801E-04 V/m
-c) 7.481E-04 V/m
-d) 8.229E-04 V/m
-e) 9.052E-04 V/m

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.752 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (1.95)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$7.47 s. What is the current in the coil if the impedance of the coil is 18.0 Ω?

-a) 7.402E-01 A
-b) 8.142E-01 A
-c) 8.956E-01 A
+d) 9.852E-01 A
-e) 1.084E+00 A

### QB:Ch 13:V1

QB153099154221

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.419 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (2.48)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$9.15 s. What is the current in the coil if the impedance of the coil is 67.8 Ω?

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

2) The current through the windings of a solenoid with n= 2.960E+03 turns per meter is changing at a rate dI/dt=10 A/s. The solenoid is 85 cm long and has a cross-sectional diameter of 3.12 cm. A small coil consisting of N=32turns wraped in a circle of diameter 1.44 cm is placed in the middle of the solenoid such that the plane of the coil is perpendicular to the central axis of the solenoid. Assume that the infinite-solenoid approximation is valid inside the small coil. What is the emf induced in the coil?

a) 1.602E-04 V
b) 1.762E-04 V
c) 1.939E-04 V
d) 2.132E-04 V
e) 2.346E-04 V

3) A long solenoid has a radius of 0.8 m and 77 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 =}$28 s−1.What is the induced electric fied at a distance 2.2 m from the axis at time t=0.0757 s ?

a) 1.616E-04 V/m
b) 1.778E-04 V/m
c) 1.955E-04 V/m
d) 2.151E-04 V/m
e) 2.366E-04 V/m

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

QB153099154221

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.419 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (2.48)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$9.15 s. What is the current in the coil if the impedance of the coil is 67.8 Ω?

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

2) The current through the windings of a solenoid with n= 2.960E+03 turns per meter is changing at a rate dI/dt=10 A/s. The solenoid is 85 cm long and has a cross-sectional diameter of 3.12 cm. A small coil consisting of N=32turns wraped in a circle of diameter 1.44 cm is placed in the middle of the solenoid such that the plane of the coil is perpendicular to the central axis of the solenoid. Assume that the infinite-solenoid approximation is valid inside the small coil. What is the emf induced in the coil?

-a) 1.602E-04 V
-b) 1.762E-04 V
+c) 1.939E-04 V
-d) 2.132E-04 V
-e) 2.346E-04 V

3) A long solenoid has a radius of 0.8 m and 77 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 =}$28 s−1.What is the induced electric fied at a distance 2.2 m from the axis at time t=0.0757 s ?

-a) 1.616E-04 V/m
-b) 1.778E-04 V/m
-c) 1.955E-04 V/m
-d) 2.151E-04 V/m
+e) 2.366E-04 V/m

### QB:Ch 13:V2

QB153099154221

1) A long solenoid has a radius of 0.624 m and 84 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 =}$20 s−1.What is the induced electric fied at a distance 1.78 m from the axis at time t=0.0579 s ?

a) 3.597E-04 V/m
b) 3.956E-04 V/m
c) 4.352E-04 V/m
d) 4.787E-04 V/m
e) 5.266E-04 V/m

2) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.348 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (2.3)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$7.57 s. What is the current in the coil if the impedance of the coil is 68.6 Ω?

a) 5.720E-02 A
b) 6.292E-02 A
c) 6.921E-02 A
d) 7.613E-02 A
e) 8.375E-02 A

3) The current through the windings of a solenoid with n= 2.840E+03 turns per meter is changing at a rate dI/dt=19 A/s. The solenoid is 65 cm long and has a cross-sectional diameter of 2.18 cm. A small coil consisting of N=25turns wraped in a circle of diameter 1.35 cm is placed in the middle of the solenoid such that the plane of the coil is perpendicular to the central axis of the solenoid. Assume that the infinite-solenoid approximation is valid inside the small coil. What is the emf induced in the coil?

a) 2.206E-04 V
b) 2.426E-04 V
c) 2.669E-04 V
d) 2.936E-04 V
e) 3.230E-04 V

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

QB153099154221

1) A long solenoid has a radius of 0.624 m and 84 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 =}$20 s−1.What is the induced electric fied at a distance 1.78 m from the axis at time t=0.0579 s ?

-a) 3.597E-04 V/m
-b) 3.956E-04 V/m
+c) 4.352E-04 V/m
-d) 4.787E-04 V/m
-e) 5.266E-04 V/m

2) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.348 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (2.3)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$7.57 s. What is the current in the coil if the impedance of the coil is 68.6 Ω?

-a) 5.720E-02 A
-b) 6.292E-02 A
-c) 6.921E-02 A
+d) 7.613E-02 A
-e) 8.375E-02 A

3) The current through the windings of a solenoid with n= 2.840E+03 turns per meter is changing at a rate dI/dt=19 A/s. The solenoid is 65 cm long and has a cross-sectional diameter of 2.18 cm. A small coil consisting of N=25turns wraped in a circle of diameter 1.35 cm is placed in the middle of the solenoid such that the plane of the coil is perpendicular to the central axis of the solenoid. Assume that the infinite-solenoid approximation is valid inside the small coil. What is the emf induced in the coil?

-a) 2.206E-04 V
+b) 2.426E-04 V
-c) 2.669E-04 V
-d) 2.936E-04 V
-e) 3.230E-04 V

### QB:Ch 14:V0

QB153099154221

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

a) 1.118E+00 cm3
b) 1.229E+00 cm3
c) 1.352E+00 cm3
d) 1.487E+00 cm3
e) 1.636E+00 cm3
2)
A long solenoid has a length 0.841 meters, radius 3.81 cm, and 516 turns. It surrounds coil of radius 9.2 meters and 11turns. If the current in the solenoid is changing at a rate of 190 A/s, what is the emf induced in the surounding coil?
a) 1.735E-02 V
b) 1.908E-02 V
c) 2.099E-02 V
d) 2.309E-02 V
e) 2.540E-02 V

3) An induced emf of 6.29V is measured across a coil of 85 closely wound turns while the current throuth it increases uniformly from 0.0 to 2.15A in 0.913s. What is the self-inductance of the coil?

a) 2.428E+00 H
b) 2.671E+00 H
c) 2.938E+00 H
d) 3.232E+00 H
e) 3.555E+00 H

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

QB153099154221

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

-a) 1.118E+00 cm3
+b) 1.229E+00 cm3
-c) 1.352E+00 cm3
-d) 1.487E+00 cm3
-e) 1.636E+00 cm3
2)
A long solenoid has a length 0.841 meters, radius 3.81 cm, and 516 turns. It surrounds coil of radius 9.2 meters and 11turns. If the current in the solenoid is changing at a rate of 190 A/s, what is the emf induced in the surounding coil?
-a) 1.735E-02 V
-b) 1.908E-02 V
-c) 2.099E-02 V
+d) 2.309E-02 V
-e) 2.540E-02 V

3) An induced emf of 6.29V is measured across a coil of 85 closely wound turns while the current throuth it increases uniformly from 0.0 to 2.15A in 0.913s. What is the self-inductance of the coil?

-a) 2.428E+00 H
+b) 2.671E+00 H
-c) 2.938E+00 H
-d) 3.232E+00 H
-e) 3.555E+00 H

### QB:Ch 14:V1

QB153099154221

1) A washer has an inner diameter of 2.2 cm and an outer diamter of 4.11 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=3.23mm}$, and ${\displaystyle n=2.74}$. What is the volume of the washer?

a) 7.110E-01 cm3
b) 7.821E-01 cm3
c) 8.603E-01 cm3
d) 9.463E-01 cm3
e) 1.041E+00 cm3
2)
A long solenoid has a length 0.777 meters, radius 3.45 cm, and 557 turns. It surrounds coil of radius 6.01 meters and 10turns. If the current in the solenoid is changing at a rate of 184 A/s, what is the emf induced in the surounding coil?
a) 1.463E-02 V
b) 1.609E-02 V
c) 1.770E-02 V
d) 1.947E-02 V
e) 2.142E-02 V

3) An induced emf of 1.7V is measured across a coil of 81 closely wound turns while the current throuth it increases uniformly from 0.0 to 7.07A in 0.174s. What is the self-inductance of the coil?

a) 3.458E-02 H
b) 3.804E-02 H
c) 4.184E-02 H
d) 4.602E-02 H
e) 5.062E-02 H

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

QB153099154221

1) A washer has an inner diameter of 2.2 cm and an outer diamter of 4.11 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=3.23mm}$, and ${\displaystyle n=2.74}$. What is the volume of the washer?

-a) 7.110E-01 cm3
-b) 7.821E-01 cm3
-c) 8.603E-01 cm3
+d) 9.463E-01 cm3
-e) 1.041E+00 cm3
2)
A long solenoid has a length 0.777 meters, radius 3.45 cm, and 557 turns. It surrounds coil of radius 6.01 meters and 10turns. If the current in the solenoid is changing at a rate of 184 A/s, what is the emf induced in the surounding coil?
-a) 1.463E-02 V
-b) 1.609E-02 V
-c) 1.770E-02 V
+d) 1.947E-02 V
-e) 2.142E-02 V

3) An induced emf of 1.7V is measured across a coil of 81 closely wound turns while the current throuth it increases uniformly from 0.0 to 7.07A in 0.174s. What is the self-inductance of the coil?

-a) 3.458E-02 H
-b) 3.804E-02 H
+c) 4.184E-02 H
-d) 4.602E-02 H
-e) 5.062E-02 H

### QB:Ch 14:V2

QB153099154221

1) A washer has an inner diameter of 2.16 cm and an outer diamter of 4.82 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.22mm}$, and ${\displaystyle n=2.8}$. What is the volume of the washer?

a) 1.342E+00 cm3
b) 1.477E+00 cm3
c) 1.624E+00 cm3
d) 1.787E+00 cm3
e) 1.965E+00 cm3
2)
A long solenoid has a length 0.89 meters, radius 3.01 cm, and 505 turns. It surrounds coil of radius 8.65 meters and 18turns. If the current in the solenoid is changing at a rate of 279 A/s, what is the emf induced in the surounding coil?
a) 2.646E-02 V
b) 2.911E-02 V
c) 3.202E-02 V
d) 3.522E-02 V
e) 3.874E-02 V

3) An induced emf of 1.92V is measured across a coil of 74 closely wound turns while the current throuth it increases uniformly from 0.0 to 6.38A in 0.69s. What is the self-inductance of the coil?

a) 1.560E-01 H
b) 1.716E-01 H
c) 1.888E-01 H
d) 2.076E-01 H
e) 2.284E-01 H

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

QB153099154221

1) A washer has an inner diameter of 2.16 cm and an outer diamter of 4.82 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.22mm}$, and ${\displaystyle n=2.8}$. What is the volume of the washer?

-a) 1.342E+00 cm3
+b) 1.477E+00 cm3
-c) 1.624E+00 cm3
-d) 1.787E+00 cm3
-e) 1.965E+00 cm3
2)
A long solenoid has a length 0.89 meters, radius 3.01 cm, and 505 turns. It surrounds coil of radius 8.65 meters and 18turns. If the current in the solenoid is changing at a rate of 279 A/s, what is the emf induced in the surounding coil?
-a) 2.646E-02 V
-b) 2.911E-02 V
+c) 3.202E-02 V
-d) 3.522E-02 V
-e) 3.874E-02 V

3) An induced emf of 1.92V is measured across a coil of 74 closely wound turns while the current throuth it increases uniformly from 0.0 to 6.38A in 0.69s. What is the self-inductance of the coil?

-a) 1.560E-01 H
-b) 1.716E-01 H
-c) 1.888E-01 H
+d) 2.076E-01 H
-e) 2.284E-01 H

### QB:Ch 15:V0

QB153099154221

1) 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

2) The output of an ac generator connected to an RLC series combination has a frequency of 760 Hz and an amplitude of 0.18 V;. If R =6 Ω, L= 7.50E-03H , and C=7.50E-04 F, what is the impedance?

a) 2.708E+01 Ω
b) 2.978E+01 Ω
c) 3.276E+01 Ω
d) 3.604E+01 Ω
e) 3.964E+01 Ω

3) The output of an ac generator connected to an RLC series combination has a frequency of 890 Hz and an amplitude of 0.58 V;. If R =9 Ω, L= 2.90E-03H , and C=8.30E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

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

QB153099154221

1) 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

2) The output of an ac generator connected to an RLC series combination has a frequency of 760 Hz and an amplitude of 0.18 V;. If R =6 Ω, L= 7.50E-03H , and C=7.50E-04 F, what is the impedance?

-a) 2.708E+01 Ω
-b) 2.978E+01 Ω
-c) 3.276E+01 Ω
+d) 3.604E+01 Ω
-e) 3.964E+01 Ω

3) The output of an ac generator connected to an RLC series combination has a frequency of 890 Hz and an amplitude of 0.58 V;. If R =9 Ω, L= 2.90E-03H , and C=8.30E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

### QB:Ch 15:V1

QB153099154221

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) The output of an ac generator connected to an RLC series combination has a frequency of 970 Hz and an amplitude of 0.11 V;. If R =9 Ω, L= 8.50E-03H , and C=7.00E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.77 V. The resistance, inductance, and capacitance are R =3 Ω, L= 6.70E-03H , and C=7.10E-04 F, respectively. What is the amplitude of the current?

a) 2.333E-01 A
b) 2.567E-01 A
c) 2.823E-01 A
d) 3.106E-01 A
e) 3.416E-01 A

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

QB153099154221

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) The output of an ac generator connected to an RLC series combination has a frequency of 970 Hz and an amplitude of 0.11 V;. If R =9 Ω, L= 8.50E-03H , and C=7.00E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.77 V. The resistance, inductance, and capacitance are R =3 Ω, L= 6.70E-03H , and C=7.10E-04 F, respectively. What is the amplitude of the current?

-a) 2.333E-01 A
+b) 2.567E-01 A
-c) 2.823E-01 A
-d) 3.106E-01 A
-e) 3.416E-01 A

### QB:Ch 15:V2

QB153099154221

1) The output of an ac generator connected to an RLC series combination has a frequency of 840 Hz and an amplitude of 0.55 V;. If R =4 Ω, L= 9.30E-03H , and C=9.40E-04 F, what is the impedance?

a) 3.685E+01 Ω
b) 4.053E+01 Ω
c) 4.459E+01 Ω
d) 4.905E+01 Ω
e) 5.395E+01 Ω

2) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.3 V. The resistance, inductance, and capacitance are R =2 Ω, L= 8.10E-03H , and C=9.40E-04 F, respectively. What is the amplitude of the current?

a) 1.364E-01 A
b) 1.500E-01 A
c) 1.650E-01 A
d) 1.815E-01 A
e) 1.997E-01 A

3) The output of an ac generator connected to an RLC series combination has a frequency of 410 Hz and an amplitude of 0.82 V;. If R =7 Ω, L= 9.70E-03H , and C=9.00E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

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

QB153099154221

1) The output of an ac generator connected to an RLC series combination has a frequency of 840 Hz and an amplitude of 0.55 V;. If R =4 Ω, L= 9.30E-03H , and C=9.40E-04 F, what is the impedance?

-a) 3.685E+01 Ω
-b) 4.053E+01 Ω
-c) 4.459E+01 Ω
+d) 4.905E+01 Ω
-e) 5.395E+01 Ω

2) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.3 V. The resistance, inductance, and capacitance are R =2 Ω, L= 8.10E-03H , and C=9.40E-04 F, respectively. What is the amplitude of the current?

-a) 1.364E-01 A
+b) 1.500E-01 A
-c) 1.650E-01 A
-d) 1.815E-01 A
-e) 1.997E-01 A

3) The output of an ac generator connected to an RLC series combination has a frequency of 410 Hz and an amplitude of 0.82 V;. If R =7 Ω, L= 9.70E-03H , and C=9.00E-04 F, what is the magnitude (absolute value) of the phase difference between current and emf?

### QB:Ch 16:V0

QB153099154221

1) 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

2) A 56 kW radio transmitter on Earth sends it signal to a satellite 140 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 72 kW?

a) 1.084E+02 km
b) 1.193E+02 km
c) 1.312E+02 km
d) 1.443E+02 km
e) 1.587E+02 km
3)
A parallel plate capacitor with a capicatnce C=7.30E-06 F whose plates have an area A=4.80E+03 m2 and separation d=5.80E-03 m is connected via a swith to a 93 Ω resistor and a battery of voltage V0=48 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=9.00E-04?
a) 5.023E+03 V/m
b) 5.525E+03 V/m
c) 6.078E+03 V/m
d) 6.685E+03 V/m
e) 7.354E+03 V/m

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

QB153099154221

1) 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

2) A 56 kW radio transmitter on Earth sends it signal to a satellite 140 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 72 kW?

-a) 1.084E+02 km
-b) 1.193E+02 km
-c) 1.312E+02 km
-d) 1.443E+02 km
+e) 1.587E+02 km
3)
A parallel plate capacitor with a capicatnce C=7.30E-06 F whose plates have an area A=4.80E+03 m2 and separation d=5.80E-03 m is connected via a swith to a 93 Ω resistor and a battery of voltage V0=48 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=9.00E-04?
-a) 5.023E+03 V/m
-b) 5.525E+03 V/m
+c) 6.078E+03 V/m
-d) 6.685E+03 V/m
-e) 7.354E+03 V/m

### QB:Ch 16:V1

QB153099154221

1) What is the radiation pressure on an object that is 5.50E+11 m away from the sun and has cross-sectional area of 0.025 m2? The average power output of the Sun is 3.80E+26 W.

a) 5.511E-07 N/m2
b) 6.063E-07 N/m2
c) 6.669E-07 N/m2
d) 7.336E-07 N/m2
e) 8.069E-07 N/m2

2) A 57 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 73 kW?

a) 1.020E+02 km
b) 1.122E+02 km
c) 1.235E+02 km
d) 1.358E+02 km
e) 1.494E+02 km
3)
A parallel plate capacitor with a capicatnce C=2.00E-06 F whose plates have an area A=1.90E+03 m2 and separation d=8.60E-03 m is connected via a swith to a 28 Ω resistor and a battery of voltage V0=45 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=1.30E-04?
a) 3.223E+03 V/m
b) 3.546E+03 V/m
c) 3.900E+03 V/m
d) 4.290E+03 V/m
e) 4.719E+03 V/m

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

QB153099154221

1) What is the radiation pressure on an object that is 5.50E+11 m away from the sun and has cross-sectional area of 0.025 m2? The average power output of the Sun is 3.80E+26 W.

-a) 5.511E-07 N/m2
-b) 6.063E-07 N/m2
+c) 6.669E-07 N/m2
-d) 7.336E-07 N/m2
-e) 8.069E-07 N/m2

2) A 57 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 73 kW?

-a) 1.020E+02 km
-b) 1.122E+02 km
-c) 1.235E+02 km
+d) 1.358E+02 km
-e) 1.494E+02 km
3)
A parallel plate capacitor with a capicatnce C=2.00E-06 F whose plates have an area A=1.90E+03 m2 and separation d=8.60E-03 m is connected via a swith to a 28 Ω resistor and a battery of voltage V0=45 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=1.30E-04?
-a) 3.223E+03 V/m
-b) 3.546E+03 V/m
-c) 3.900E+03 V/m
-d) 4.290E+03 V/m
+e) 4.719E+03 V/m

### QB:Ch 16:V2

QB153099154221

1) 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

2) A 42 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 94 kW?

a) 1.768E+02 km
b) 1.945E+02 km
c) 2.139E+02 km
d) 2.353E+02 km
e) 2.589E+02 km
3)
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

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

QB153099154221

1) 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

2) A 42 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 94 kW?

-a) 1.768E+02 km
+b) 1.945E+02 km
-c) 2.139E+02 km
-d) 2.353E+02 km
-e) 2.589E+02 km
3)
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