# Quizbank/Electricity and Magnetism (calculus based)/QB153099154216

QB153099154216

### QB:Ch 5:V0

QB153099154216

1) A large thin isolated square plate has an area of 6 m2. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

a) 8.471E+01 N/C
b) 9.318E+01 N/C
c) 1.025E+02 N/C
d) 1.127E+02 N/C
e) 1.240E+02 N/C

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 ${\displaystyle R=7.9{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =2{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=5.1{\text{ m}}}$.

a) 8.253E-01 V/m2
b) 9.079E-01 V/m2
c) 9.987E-01 V/m2
d) 1.099E+00 V/m2
e) 1.208E+00 V/m2
3)
${\displaystyle E_{z}(x=0,z)=\int _{-a}^{b}f(x,z)dx}$
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.9 m. Evaluate ${\displaystyle f(x,y)}$ at x=0.96 m if a=0.95 m, b=1.8 m. The total charge on the rod is 7 nC.
a) 3.385E+00 V/m2
b) 3.724E+00 V/m2
c) 4.096E+00 V/m2
d) 4.506E+00 V/m2
e) 4.957E+00 V/m2

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

QB153099154216

1) A large thin isolated square plate has an area of 6 m2. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

+a) 8.471E+01 N/C
-b) 9.318E+01 N/C
-c) 1.025E+02 N/C
-d) 1.127E+02 N/C
-e) 1.240E+02 N/C

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 ${\displaystyle R=7.9{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =2{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=5.1{\text{ m}}}$.

-a) 8.253E-01 V/m2
-b) 9.079E-01 V/m2
+c) 9.987E-01 V/m2
-d) 1.099E+00 V/m2
-e) 1.208E+00 V/m2
3)
${\displaystyle E_{z}(x=0,z)=\int _{-a}^{b}f(x,z)dx}$
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.9 m. Evaluate ${\displaystyle f(x,y)}$ at x=0.96 m if a=0.95 m, b=1.8 m. The total charge on the rod is 7 nC.
-a) 3.385E+00 V/m2
-b) 3.724E+00 V/m2
-c) 4.096E+00 V/m2
+d) 4.506E+00 V/m2
-e) 4.957E+00 V/m2

### QB:Ch 5:V1

QB153099154216

1)
${\displaystyle E_{z}(x=0,z)=\int _{-a}^{b}f(x,z)dx}$
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m. Evaluate ${\displaystyle f(x,y)}$ at x=1.1 m if a=0.61 m, b=1.7 m. The total charge on the rod is 8 nC.
a) 5.995E+00 V/m2
b) 6.595E+00 V/m2
c) 7.254E+00 V/m2
d) 7.980E+00 V/m2
e) 8.778E+00 V/m2

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 ${\displaystyle R=8.7{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =7{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=5.8{\text{ m}}}$.

a) 3.722E-01 V/m2
b) 4.094E-01 V/m2
c) 4.504E-01 V/m2
d) 4.954E-01 V/m2
e) 5.450E-01 V/m2

3) A large thin isolated square plate has an area of 6 m2. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

a) 8.471E+01 N/C
b) 9.318E+01 N/C
c) 1.025E+02 N/C
d) 1.127E+02 N/C
e) 1.240E+02 N/C

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

QB153099154216

1)
${\displaystyle E_{z}(x=0,z)=\int _{-a}^{b}f(x,z)dx}$
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m. Evaluate ${\displaystyle f(x,y)}$ at x=1.1 m if a=0.61 m, b=1.7 m. The total charge on the rod is 8 nC.
-a) 5.995E+00 V/m2
-b) 6.595E+00 V/m2
+c) 7.254E+00 V/m2
-d) 7.980E+00 V/m2
-e) 8.778E+00 V/m2

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 ${\displaystyle R=8.7{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =7{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=5.8{\text{ m}}}$.

-a) 3.722E-01 V/m2
-b) 4.094E-01 V/m2
-c) 4.504E-01 V/m2
+d) 4.954E-01 V/m2
-e) 5.450E-01 V/m2

3) A large thin isolated square plate has an area of 6 m2. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

+a) 8.471E+01 N/C
-b) 9.318E+01 N/C
-c) 1.025E+02 N/C
-d) 1.127E+02 N/C
-e) 1.240E+02 N/C

### QB:Ch 5:V2

QB153099154216

1) A large thin isolated square plate has an area of 8 m2. It is uniformly charged with 7 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

a) 4.492E+01 N/C
b) 4.941E+01 N/C
c) 5.435E+01 N/C
d) 5.979E+01 N/C
e) 6.577E+01 N/C
2)
${\displaystyle E_{z}(x=0,z)=\int _{-a}^{b}f(x,z)dx}$
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.7 m. Evaluate ${\displaystyle f(x,y)}$ at x=0.76 m if a=1.1 m, b=1.6 m. The total charge on the rod is 8 nC.
a) 5.267E+00 V/m2
b) 5.794E+00 V/m2
c) 6.374E+00 V/m2
d) 7.011E+00 V/m2
e) 7.712E+00 V/m2

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 ${\displaystyle R=6.8{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =6{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=3.6{\text{ m}}}$.

a) 1.258E+00 V/m2
b) 1.384E+00 V/m2
c) 1.522E+00 V/m2
d) 1.674E+00 V/m2
e) 1.842E+00 V/m2

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

QB153099154216

1) A large thin isolated square plate has an area of 8 m2. It is uniformly charged with 7 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

-a) 4.492E+01 N/C
+b) 4.941E+01 N/C
-c) 5.435E+01 N/C
-d) 5.979E+01 N/C
-e) 6.577E+01 N/C
2)
${\displaystyle E_{z}(x=0,z)=\int _{-a}^{b}f(x,z)dx}$
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.7 m. Evaluate ${\displaystyle f(x,y)}$ at x=0.76 m if a=1.1 m, b=1.6 m. The total charge on the rod is 8 nC.
-a) 5.267E+00 V/m2
-b) 5.794E+00 V/m2
-c) 6.374E+00 V/m2
+d) 7.011E+00 V/m2
-e) 7.712E+00 V/m2

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 ${\displaystyle R=6.8{\text{ m}}}$ and the surface charge density is ${\displaystyle \sigma =6{\text{ nC/m}}^{3}}$. Evaluate ${\displaystyle f(r',z)}$ at ${\displaystyle r'=3.6{\text{ m}}}$.

-a) 1.258E+00 V/m2
-b) 1.384E+00 V/m2
-c) 1.522E+00 V/m2
+d) 1.674E+00 V/m2
-e) 1.842E+00 V/m2

### QB:Ch 6:V0

QB153099154216

1) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 7.3 nano-Coulombs. What is the magnitude of the electric field at a distance of 1.5 m from the center of the shells?

a) 1.994E+01 N/C
b) 2.194E+01 N/C
c) 2.413E+01 N/C
d) 2.655E+01 N/C
e) 2.920E+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=2.4 m. The other four surfaces are rectangles in y=y0=1.1 m, y=y1=4.8 m, z=z0=1.8 m, and z=z1=4.8 m. The surfaces in the yz plane each have area 11.0m2. Those in the xy plane have area 8.9m2 ,and those in the zx plane have area 7.2m2. An electric field has the xyz components (0, 5.9, 8.9) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 2.901E+01 N·m2/C
b) 3.192E+01 N·m2/C
c) 3.511E+01 N·m2/C
d) 3.862E+01 N·m2/C
e) 4.248E+01 N·m2/C

3) A non-conducting sphere of radius R=2.9 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=3 nC·m-1.5. What is the magnitude of the electric field at a distance of 1.7 m from the center?

a) 2.579E+02 N/C
b) 2.837E+02 N/C
c) 3.121E+02 N/C
d) 3.433E+02 N/C
e) 3.776E+02 N/C

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

QB153099154216

1) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 7.3 nano-Coulombs. What is the magnitude of the electric field at a distance of 1.5 m from the center of the shells?

-a) 1.994E+01 N/C
-b) 2.194E+01 N/C
-c) 2.413E+01 N/C
-d) 2.655E+01 N/C
+e) 2.920E+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=2.4 m. The other four surfaces are rectangles in y=y0=1.1 m, y=y1=4.8 m, z=z0=1.8 m, and z=z1=4.8 m. The surfaces in the yz plane each have area 11.0m2. Those in the xy plane have area 8.9m2 ,and those in the zx plane have area 7.2m2. An electric field has the xyz components (0, 5.9, 8.9) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 2.901E+01 N·m2/C
-b) 3.192E+01 N·m2/C
-c) 3.511E+01 N·m2/C
-d) 3.862E+01 N·m2/C
+e) 4.248E+01 N·m2/C

3) A non-conducting sphere of radius R=2.9 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=3 nC·m-1.5. What is the magnitude of the electric field at a distance of 1.7 m from the center?

-a) 2.579E+02 N/C
+b) 2.837E+02 N/C
-c) 3.121E+02 N/C
-d) 3.433E+02 N/C
-e) 3.776E+02 N/C

### QB:Ch 6:V1

QB153099154216

1)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.2 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=5.0 m, z=z0=1.9 m, and z=z1=4.3 m. The surfaces in the yz plane each have area 7.9m2. Those in the xy plane have area 4.0m2 ,and those in the zx plane have area 2.9m2. An electric field has the xyz components (0, 5.3, 9.1) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 1.388E+01 N·m2/C
b) 1.526E+01 N·m2/C
c) 1.679E+01 N·m2/C
d) 1.847E+01 N·m2/C
e) 2.032E+01 N·m2/C

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 2.0 nano-Coulombs. What is the magnitude of the electric field at a distance of 3.7 m from the center of the shells?

a) 2.964E+00 N/C
b) 3.260E+00 N/C
c) 3.586E+00 N/C
d) 3.944E+00 N/C
e) 4.339E+00 N/C

3) A non-conducting sphere of radius R=2.9 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=3 nC·m-1.5. What is the magnitude of the electric field at a distance of 1.7 m from the center?

a) 2.579E+02 N/C
b) 2.837E+02 N/C
c) 3.121E+02 N/C
d) 3.433E+02 N/C
e) 3.776E+02 N/C

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

QB153099154216

1)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.2 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=5.0 m, z=z0=1.9 m, and z=z1=4.3 m. The surfaces in the yz plane each have area 7.9m2. Those in the xy plane have area 4.0m2 ,and those in the zx plane have area 2.9m2. An electric field has the xyz components (0, 5.3, 9.1) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 1.388E+01 N·m2/C
+b) 1.526E+01 N·m2/C
-c) 1.679E+01 N·m2/C
-d) 1.847E+01 N·m2/C
-e) 2.032E+01 N·m2/C

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 2.0 nano-Coulombs. What is the magnitude of the electric field at a distance of 3.7 m from the center of the shells?

-a) 2.964E+00 N/C
-b) 3.260E+00 N/C
-c) 3.586E+00 N/C
+d) 3.944E+00 N/C
-e) 4.339E+00 N/C

3) A non-conducting sphere of radius R=2.9 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=3 nC·m-1.5. What is the magnitude of the electric field at a distance of 1.7 m from the center?

-a) 2.579E+02 N/C
+b) 2.837E+02 N/C
-c) 3.121E+02 N/C
-d) 3.433E+02 N/C
-e) 3.776E+02 N/C

### QB:Ch 6:V2

QB153099154216

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=2.8 m. The other four surfaces are rectangles in y=y0=1.1 m, y=y1=5.6 m, z=z0=1.8 m, and z=z1=5.5 m. The surfaces in the yz plane each have area 17.0m2. Those in the xy plane have area 13.0m2 ,and those in the zx plane have area 10.0m2. An electric field has the xyz components (0, 7.0, 5.7) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 4.953E+01 N·m2/C
b) 5.449E+01 N·m2/C
c) 5.993E+01 N·m2/C
d) 6.593E+01 N·m2/C
e) 7.252E+01 N·m2/C

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.9 nano-Coulombs. What is the magnitude of the electric field at a distance of 2.1 m from the center of the shells?

a) 5.297E+00 N/C
b) 5.827E+00 N/C
c) 6.409E+00 N/C
d) 7.050E+00 N/C
e) 7.755E+00 N/C

3) A non-conducting sphere of radius R=2.5 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.8 (r≤R) where a=2 nC·m-1.2. What is the magnitude of the electric field at a distance of 1.7 m from the center?

a) 2.079E+02 N/C
b) 2.287E+02 N/C
c) 2.516E+02 N/C
d) 2.767E+02 N/C
e) 3.044E+02 N/C

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

QB153099154216

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=2.8 m. The other four surfaces are rectangles in y=y0=1.1 m, y=y1=5.6 m, z=z0=1.8 m, and z=z1=5.5 m. The surfaces in the yz plane each have area 17.0m2. Those in the xy plane have area 13.0m2 ,and those in the zx plane have area 10.0m2. An electric field has the xyz components (0, 7.0, 5.7) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 4.953E+01 N·m2/C
-b) 5.449E+01 N·m2/C
-c) 5.993E+01 N·m2/C
-d) 6.593E+01 N·m2/C
+e) 7.252E+01 N·m2/C

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.9 nano-Coulombs. What is the magnitude of the electric field at a distance of 2.1 m from the center of the shells?

-a) 5.297E+00 N/C
-b) 5.827E+00 N/C
-c) 6.409E+00 N/C
-d) 7.050E+00 N/C
+e) 7.755E+00 N/C

3) A non-conducting sphere of radius R=2.5 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.8 (r≤R) where a=2 nC·m-1.2. What is the magnitude of the electric field at a distance of 1.7 m from the center?

+a) 2.079E+02 N/C
-b) 2.287E+02 N/C
-c) 2.516E+02 N/C
-d) 2.767E+02 N/C
-e) 3.044E+02 N/C

### QB:Ch 7:V0

QB153099154216

1)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=3.57 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=3.59 cm, y=1.78 cm)? Note that following the textbook's example, the y-value of the field point at 1.78 cm matches the disance of the positive charge above the x-axis.
a) 2.727E+02 V
b) 2.999E+02 V
c) 3.299E+02 V
d) 3.629E+02 V
e) 3.992E+02 V
2)
An electron gun has parallel plates separated by 4.85 cm and gives electrons 36 keV of energy. What force would the field between the plates exert on a 0.663 μC charge that gets between the plates?
a) 3.697E-01 N
b) 4.067E-01 N
c) 4.474E-01 N
d) 4.921E-01 N
e) 5.413E-01 N

3) If a 11 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=61 V is x2 + y2 + z2 = R2, where R=

a) 1.107E+00 m
b) 1.218E+00 m
c) 1.339E+00 m
d) 1.473E+00 m
e) 1.621E+00 m

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

QB153099154216

1)
A diploe has a charge magnitude of q=5 nC and a separation distance of d=3.57 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=3.59 cm, y=1.78 cm)? Note that following the textbook's example, the y-value of the field point at 1.78 cm matches the disance of the positive charge above the x-axis.
-a) 2.727E+02 V
-b) 2.999E+02 V
-c) 3.299E+02 V
+d) 3.629E+02 V
-e) 3.992E+02 V
2)
An electron gun has parallel plates separated by 4.85 cm and gives electrons 36 keV of energy. What force would the field between the plates exert on a 0.663 μC charge that gets between the plates?
-a) 3.697E-01 N
-b) 4.067E-01 N
-c) 4.474E-01 N
+d) 4.921E-01 N
-e) 5.413E-01 N

3) If a 11 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=61 V is x2 + y2 + z2 = R2, where R=

-a) 1.107E+00 m
-b) 1.218E+00 m
-c) 1.339E+00 m
-d) 1.473E+00 m
+e) 1.621E+00 m

### QB:Ch 7:V1

QB153099154216

1)
An electron gun has parallel plates separated by 5.38 cm and gives electrons 54 keV of energy. What force would the field between the plates exert on a 0.427 μC charge that gets between the plates?
a) 3.542E-01 N
b) 3.896E-01 N
c) 4.286E-01 N
d) 4.714E-01 N
e) 5.186E-01 N
2)
A diploe has a charge magnitude of q=6 nC and a separation distance of d=4.06 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=3.28 cm, y=2.03 cm)? Note that following the textbook's example, the y-value of the field point at 2.03 cm matches the disance of the positive charge above the x-axis.
a) 4.590E+02 V
b) 5.049E+02 V
c) 5.554E+02 V
d) 6.109E+02 V
e) 6.720E+02 V

3) If a 16 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=76 V is x2 + y2 + z2 = R2, where R=

a) 1.422E+00 m
b) 1.564E+00 m
c) 1.720E+00 m
d) 1.892E+00 m
e) 2.081E+00 m

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

QB153099154216

1)
An electron gun has parallel plates separated by 5.38 cm and gives electrons 54 keV of energy. What force would the field between the plates exert on a 0.427 μC charge that gets between the plates?
-a) 3.542E-01 N
-b) 3.896E-01 N
+c) 4.286E-01 N
-d) 4.714E-01 N
-e) 5.186E-01 N
2)
A diploe has a charge magnitude of q=6 nC and a separation distance of d=4.06 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=3.28 cm, y=2.03 cm)? Note that following the textbook's example, the y-value of the field point at 2.03 cm matches the disance of the positive charge above the x-axis.
-a) 4.590E+02 V
-b) 5.049E+02 V
-c) 5.554E+02 V
+d) 6.109E+02 V
-e) 6.720E+02 V

3) If a 16 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=76 V is x2 + y2 + z2 = R2, where R=

-a) 1.422E+00 m
-b) 1.564E+00 m
-c) 1.720E+00 m
+d) 1.892E+00 m
-e) 2.081E+00 m

### QB:Ch 7:V2

QB153099154216

1) If a 28 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=77 V is x2 + y2 + z2 = R2, where R=

a) 2.701E+00 m
b) 2.971E+00 m
c) 3.268E+00 m
d) 3.595E+00 m
e) 3.955E+00 m
2)
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
3)
An electron gun has parallel plates separated by 4.2 cm and gives electrons 51 keV of energy. What force would the field between the plates exert on a 0.84 μC charge that gets between the plates?
a) 8.430E-01 N
b) 9.273E-01 N
c) 1.020E+00 N
d) 1.122E+00 N
e) 1.234E+00 N

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

QB153099154216

1) If a 28 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=77 V is x2 + y2 + z2 = R2, where R=

-a) 2.701E+00 m
-b) 2.971E+00 m
+c) 3.268E+00 m
-d) 3.595E+00 m
-e) 3.955E+00 m
2)
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
3)
An electron gun has parallel plates separated by 4.2 cm and gives electrons 51 keV of energy. What force would the field between the plates exert on a 0.84 μC charge that gets between the plates?
-a) 8.430E-01 N
-b) 9.273E-01 N
+c) 1.020E+00 N
-d) 1.122E+00 N
-e) 1.234E+00 N

### QB:Ch 8:V0

QB153099154216

1) An empty parallel-plate capacitor with metal plates has an area of 2.04 m2, separated by 1.21 mm. How much charge does it store if the voltage is 7.730E+03 V?

a) 1.049E+02 μC
b) 1.154E+02 μC
c) 1.269E+02 μC
d) 1.396E+02 μC
e) 1.536E+02 μC
2)
What is the net capacitance if C1=3.27 μF, C2=2.87 μF, and C3=3.23 μF in the configuration shown?
a) 3.250E+00 μF
b) 3.575E+00 μF
c) 3.933E+00 μF
d) 4.326E+00 μF
e) 4.758E+00 μF
3)
In the figure shown C1=20.6 μF, C2=2.38 μF, and C3=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C1?
a) 5.474E+01 μC
b) 6.022E+01 μC
c) 6.624E+01 μC
d) 7.287E+01 μC
e) 8.015E+01 μC

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

QB153099154216

1) An empty parallel-plate capacitor with metal plates has an area of 2.04 m2, separated by 1.21 mm. How much charge does it store if the voltage is 7.730E+03 V?

-a) 1.049E+02 μC
+b) 1.154E+02 μC
-c) 1.269E+02 μC
-d) 1.396E+02 μC
-e) 1.536E+02 μC
2)
What is the net capacitance if C1=3.27 μF, C2=2.87 μF, and C3=3.23 μF in the configuration shown?
-a) 3.250E+00 μF
-b) 3.575E+00 μF
-c) 3.933E+00 μF
-d) 4.326E+00 μF
+e) 4.758E+00 μF
3)
In the figure shown C1=20.6 μF, C2=2.38 μF, and C3=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C1?
-a) 5.474E+01 μC
-b) 6.022E+01 μC
-c) 6.624E+01 μC
+d) 7.287E+01 μC
-e) 8.015E+01 μC

### QB:Ch 8:V1

QB153099154216

1)
What is the net capacitance if C1=4.55 μF, C2=4.39 μF, and C3=3.32 μF in the configuration shown?
a) 4.173E+00 μF
b) 4.590E+00 μF
c) 5.049E+00 μF
d) 5.554E+00 μF
e) 6.110E+00 μF

2) An empty parallel-plate capacitor with metal plates has an area of 2.16 m2, separated by 1.12 mm. How much charge does it store if the voltage is 1.530E+03 V?

a) 2.375E+01 μC
b) 2.613E+01 μC
c) 2.874E+01 μC
d) 3.161E+01 μC
e) 3.477E+01 μC
3)
In the figure shown C1=20.6 μF, C2=2.38 μF, and C3=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C1?
a) 5.474E+01 μC
b) 6.022E+01 μC
c) 6.624E+01 μC
d) 7.287E+01 μC
e) 8.015E+01 μC

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

QB153099154216

1)
What is the net capacitance if C1=4.55 μF, C2=4.39 μF, and C3=3.32 μF in the configuration shown?
-a) 4.173E+00 μF
-b) 4.590E+00 μF
-c) 5.049E+00 μF
+d) 5.554E+00 μF
-e) 6.110E+00 μF

2) An empty parallel-plate capacitor with metal plates has an area of 2.16 m2, separated by 1.12 mm. How much charge does it store if the voltage is 1.530E+03 V?

-a) 2.375E+01 μC
+b) 2.613E+01 μC
-c) 2.874E+01 μC
-d) 3.161E+01 μC
-e) 3.477E+01 μC
3)
In the figure shown C1=20.6 μF, C2=2.38 μF, and C3=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C1?
-a) 5.474E+01 μC
-b) 6.022E+01 μC
-c) 6.624E+01 μC
+d) 7.287E+01 μC
-e) 8.015E+01 μC

### QB:Ch 8:V2

QB153099154216

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)
In the figure shown C1=19.0 μF, C2=2.35 μF, and C3=5.22 μF. The voltage source provides ε=6.01 V. What is the charge on C1?
a) 2.444E+01 μC
b) 2.689E+01 μC
c) 2.958E+01 μC
d) 3.253E+01 μC
e) 3.579E+01 μC

3) 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

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

QB153099154216

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)
In the figure shown C1=19.0 μF, C2=2.35 μF, and C3=5.22 μF. The voltage source provides ε=6.01 V. What is the charge on C1?
-a) 2.444E+01 μC
-b) 2.689E+01 μC
-c) 2.958E+01 μC
+d) 3.253E+01 μC
-e) 3.579E+01 μC

3) 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

### QB:Ch 9:V0

QB153099154216

1) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=30 C and ${\displaystyle \tau =}$0.0178 s. What is the current at ${\displaystyle t=}$0.0161 s?

a) 5.125E+02 A
b) 5.638E+02 A
c) 6.201E+02 A
d) 6.822E+02 A
e) 7.504E+02 A

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

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

3) A DC winch moter draws 19 amps at 175 volts as it lifts a 4.230E+03 N weight at a constant speed of 0.483 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

a) 3.551E+00 Ω
b) 3.906E+00 Ω
c) 4.297E+00 Ω
d) 4.726E+00 Ω
e) 5.199E+00 Ω

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

QB153099154216

1) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=30 C and ${\displaystyle \tau =}$0.0178 s. What is the current at ${\displaystyle t=}$0.0161 s?

-a) 5.125E+02 A
-b) 5.638E+02 A
-c) 6.201E+02 A
+d) 6.822E+02 A
-e) 7.504E+02 A

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

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

3) A DC winch moter draws 19 amps at 175 volts as it lifts a 4.230E+03 N weight at a constant speed of 0.483 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

+a) 3.551E+00 Ω
-b) 3.906E+00 Ω
-c) 4.297E+00 Ω
-d) 4.726E+00 Ω
-e) 5.199E+00 Ω

### QB:Ch 9:V1

QB153099154216

1) Calculate the resistance of a 12-gauge copper wire that is 15 m long and carries a current of 27 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) 5.200E-02 Ω
b) 5.720E-02 Ω
c) 6.292E-02 Ω
d) 6.921E-02 Ω
e) 7.613E-02 Ω

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

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

3) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=42 C and ${\displaystyle \tau =}$0.0166 s. What is the current at ${\displaystyle t=}$0.0156 s?

a) 9.886E+02 A
b) 1.087E+03 A
c) 1.196E+03 A
d) 1.316E+03 A
e) 1.447E+03 A

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

QB153099154216

1) Calculate the resistance of a 12-gauge copper wire that is 15 m long and carries a current of 27 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) 5.200E-02 Ω
-b) 5.720E-02 Ω
-c) 6.292E-02 Ω
-d) 6.921E-02 Ω
+e) 7.613E-02 Ω

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

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

3) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=42 C and ${\displaystyle \tau =}$0.0166 s. What is the current at ${\displaystyle t=}$0.0156 s?

+a) 9.886E+02 A
-b) 1.087E+03 A
-c) 1.196E+03 A
-d) 1.316E+03 A
-e) 1.447E+03 A

### QB:Ch 9:V2

QB153099154216

1) A DC winch moter draws 18 amps at 126 volts as it lifts a 5.830E+03 N weight at a constant speed of 0.26 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) 1.919E+00 Ω
b) 2.111E+00 Ω
c) 2.322E+00 Ω
d) 2.554E+00 Ω
e) 2.809E+00 Ω

2) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=11 C and ${\displaystyle \tau =}$0.0162 s. What is the current at ${\displaystyle t=}$0.0249 s?

a) 9.972E+01 A
b) 1.097E+02 A
c) 1.207E+02 A
d) 1.327E+02 A
e) 1.460E+02 A

3) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 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) 2.631E-01 Ω
b) 2.894E-01 Ω
c) 3.184E-01 Ω
d) 3.502E-01 Ω
e) 3.852E-01 Ω

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

QB153099154216

1) A DC winch moter draws 18 amps at 126 volts as it lifts a 5.830E+03 N weight at a constant speed of 0.26 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) 1.919E+00 Ω
-b) 2.111E+00 Ω
+c) 2.322E+00 Ω
-d) 2.554E+00 Ω
-e) 2.809E+00 Ω

2) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=11 C and ${\displaystyle \tau =}$0.0162 s. What is the current at ${\displaystyle t=}$0.0249 s?

-a) 9.972E+01 A
-b) 1.097E+02 A
-c) 1.207E+02 A
-d) 1.327E+02 A
+e) 1.460E+02 A

3) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 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) 2.631E-01 Ω
-b) 2.894E-01 Ω
-c) 3.184E-01 Ω
+d) 3.502E-01 Ω
-e) 3.852E-01 Ω

### QB:Ch 10:V0

QB153099154216

1)
In the circuit shown V=17.9 V, R1=1.68 Ω, R2=7.84 Ω, and R3=12.3 Ω. What is the power dissipated by R2?
a) 2.240E+01 W
b) 2.464E+01 W
c) 2.710E+01 W
d) 2.981E+01 W
e) 3.279E+01 W
2)
Two sources of emf ε1=54.9 V, and ε2=19.8 V are oriented as shownin the circuit. The resistances are R1=3.93 kΩ and R2=1.31 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=9.18 mA and I4=1.83 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
a) 1.779E+01 V
b) 1.957E+01 V
c) 2.153E+01 V
d) 2.368E+01 V
e) 2.605E+01 V

3) Three resistors, R1 = 1.31 Ω, and R2 = R2 = 2.91 Ω, are connected in parallel to a 6.03 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

a) 2.294E+01 W
b) 2.523E+01 W
c) 2.776E+01 W
d) 3.053E+01 W
e) 3.359E+01 W

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

QB153099154216

1)
In the circuit shown V=17.9 V, R1=1.68 Ω, R2=7.84 Ω, and R3=12.3 Ω. What is the power dissipated by R2?
+a) 2.240E+01 W
-b) 2.464E+01 W
-c) 2.710E+01 W
-d) 2.981E+01 W
-e) 3.279E+01 W
2)
Two sources of emf ε1=54.9 V, and ε2=19.8 V are oriented as shownin the circuit. The resistances are R1=3.93 kΩ and R2=1.31 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=9.18 mA and I4=1.83 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
+a) 1.779E+01 V
-b) 1.957E+01 V
-c) 2.153E+01 V
-d) 2.368E+01 V
-e) 2.605E+01 V

3) Three resistors, R1 = 1.31 Ω, and R2 = R2 = 2.91 Ω, are connected in parallel to a 6.03 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

-a) 2.294E+01 W
-b) 2.523E+01 W
+c) 2.776E+01 W
-d) 3.053E+01 W
-e) 3.359E+01 W

### QB:Ch 10:V1

QB153099154216

1)
Two sources of emf ε1=36.7 V, and ε2=13.6 V are oriented as shownin the circuit. The resistances are R1=2.86 kΩ and R2=2.2 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=3.02 mA and I4=0.854 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
a) 1.380E+01 V
b) 1.518E+01 V
c) 1.670E+01 V
d) 1.837E+01 V
e) 2.020E+01 V
2)
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

3) Three resistors, R1 = 0.548 Ω, and R2 = R2 = 1.24 Ω, are connected in parallel to a 7.16 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

a) 7.029E+01 W
b) 7.731E+01 W
c) 8.505E+01 W
d) 9.355E+01 W
e) 1.029E+02 W

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

QB153099154216

1)
Two sources of emf ε1=36.7 V, and ε2=13.6 V are oriented as shownin the circuit. The resistances are R1=2.86 kΩ and R2=2.2 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=3.02 mA and I4=0.854 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
+a) 1.380E+01 V
-b) 1.518E+01 V
-c) 1.670E+01 V
-d) 1.837E+01 V
-e) 2.020E+01 V
2)
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

3) Three resistors, R1 = 0.548 Ω, and R2 = R2 = 1.24 Ω, are connected in parallel to a 7.16 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

-a) 7.029E+01 W
-b) 7.731E+01 W
-c) 8.505E+01 W
+d) 9.355E+01 W
-e) 1.029E+02 W

### QB:Ch 10:V2

QB153099154216

1) Three resistors, R1 = 1.31 Ω, and R2 = R2 = 2.91 Ω, are connected in parallel to a 6.03 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

a) 2.294E+01 W
b) 2.523E+01 W
c) 2.776E+01 W
d) 3.053E+01 W
e) 3.359E+01 W
2)
In the circuit shown V=17.5 V, R1=2.34 Ω, R2=7.1 Ω, and R3=15.3 Ω. What is the power dissipated by R2?
a) 1.784E+01 W
b) 1.963E+01 W
c) 2.159E+01 W
d) 2.375E+01 W
e) 2.612E+01 W
3)
Two sources of emf ε1=21.6 V, and ε2=8.59 V are oriented as shownin the circuit. The resistances are R1=4.97 kΩ and R2=1.69 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=3.2 mA and I4=0.749 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
a) 6.064E+00 V
b) 6.670E+00 V
c) 7.337E+00 V
d) 8.071E+00 V
e) 8.878E+00 V

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

QB153099154216

1) Three resistors, R1 = 1.31 Ω, and R2 = R2 = 2.91 Ω, are connected in parallel to a 6.03 V voltage source. Calculate the power dissipated by the smaller resistor (R1.)

-a) 2.294E+01 W
-b) 2.523E+01 W
+c) 2.776E+01 W
-d) 3.053E+01 W
-e) 3.359E+01 W
2)
In the circuit shown V=17.5 V, R1=2.34 Ω, R2=7.1 Ω, and R3=15.3 Ω. What is the power dissipated by R2?
-a) 1.784E+01 W
+b) 1.963E+01 W
-c) 2.159E+01 W
-d) 2.375E+01 W
-e) 2.612E+01 W
3)
Two sources of emf ε1=21.6 V, and ε2=8.59 V are oriented as shownin the circuit. The resistances are R1=4.97 kΩ and R2=1.69 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=3.2 mA and I4=0.749 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
-a) 6.064E+00 V
-b) 6.670E+00 V
+c) 7.337E+00 V
-d) 8.071E+00 V
-e) 8.878E+00 V

### QB:Ch 11:V0

QB153099154216

1)
The silver ribbon shown are a=3.6 cm, b=2.68 cm, and c= 1.13 cm. The current carries a current of 97 A and it lies in a uniform magnetic field of 1.89 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
a) 1.560E-06 V
b) 1.716E-06 V
c) 1.888E-06 V
d) 2.077E-06 V
e) 2.284E-06 V

2) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 5.75 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(1.81 i + 2.05 j  + 4.49 k) x 104 m/s?

a) 2.576E-14 N
b) 2.834E-14 N
c) 3.117E-14 N
d) 3.429E-14 N
e) 3.772E-14 N

3) A long rigind wire carries a 4 A current. What is the magnetic force per unit length on the wire if a 0.355 T magnetic field is directed 53° away from the wire?

a) 8.520E-01 N/m
b) 9.372E-01 N/m
c) 1.031E+00 N/m
d) 1.134E+00 N/m
e) 1.247E+00 N/m

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

QB153099154216

1)
The silver ribbon shown are a=3.6 cm, b=2.68 cm, and c= 1.13 cm. The current carries a current of 97 A and it lies in a uniform magnetic field of 1.89 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
-a) 1.560E-06 V
+b) 1.716E-06 V
-c) 1.888E-06 V
-d) 2.077E-06 V
-e) 2.284E-06 V

2) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 5.75 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(1.81 i + 2.05 j  + 4.49 k) x 104 m/s?

-a) 2.576E-14 N
-b) 2.834E-14 N
-c) 3.117E-14 N
-d) 3.429E-14 N
+e) 3.772E-14 N

3) A long rigind wire carries a 4 A current. What is the magnetic force per unit length on the wire if a 0.355 T magnetic field is directed 53° away from the wire?

-a) 8.520E-01 N/m
-b) 9.372E-01 N/m
-c) 1.031E+00 N/m
+d) 1.134E+00 N/m
-e) 1.247E+00 N/m

### QB:Ch 11:V1

QB153099154216

1)
The silver ribbon shown are a=4.12 cm, b=3.32 cm, and c= 1.46 cm. The current carries a current of 120 A and it lies in a uniform magnetic field of 1.39 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
a) 1.209E-06 V
b) 1.329E-06 V
c) 1.462E-06 V
d) 1.609E-06 V
e) 1.770E-06 V

2) A long rigind wire carries a 6 A current. What is the magnetic force per unit length on the wire if a 0.623 T magnetic field is directed 73° away from the wire?

a) 3.575E+00 N/m
b) 3.932E+00 N/m
c) 4.325E+00 N/m
d) 4.758E+00 N/m
e) 5.234E+00 N/m

3) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 8.16 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(1.13 i + 3.24 j  + 6.96 k) x 104 m/s?

a) 7.691E-14 N
b) 8.460E-14 N
c) 9.306E-14 N
d) 1.024E-13 N
e) 1.126E-13 N

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

QB153099154216

1)
The silver ribbon shown are a=4.12 cm, b=3.32 cm, and c= 1.46 cm. The current carries a current of 120 A and it lies in a uniform magnetic field of 1.39 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
+a) 1.209E-06 V
-b) 1.329E-06 V
-c) 1.462E-06 V
-d) 1.609E-06 V
-e) 1.770E-06 V

2) A long rigind wire carries a 6 A current. What is the magnetic force per unit length on the wire if a 0.623 T magnetic field is directed 73° away from the wire?

+a) 3.575E+00 N/m
-b) 3.932E+00 N/m
-c) 4.325E+00 N/m
-d) 4.758E+00 N/m
-e) 5.234E+00 N/m

3) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 8.16 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(1.13 i + 3.24 j  + 6.96 k) x 104 m/s?

-a) 7.691E-14 N
+b) 8.460E-14 N
-c) 9.306E-14 N
-d) 1.024E-13 N
-e) 1.126E-13 N

### QB:Ch 11:V2

QB153099154216

1)
The silver ribbon shown are a=4.81 cm, b=3.96 cm, and c= 1.3 cm. The current carries a current of 274 A and it lies in a uniform magnetic field of 3.23 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
a) 7.202E-06 V
b) 7.922E-06 V
c) 8.714E-06 V
d) 9.586E-06 V
e) 1.054E-05 V

2) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 4.69 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(8.9 i + 4.27 j  + 7.52 k) x 104 m/s?

a) 5.296E-14 N
b) 5.826E-14 N
c) 6.408E-14 N
d) 7.049E-14 N
e) 7.754E-14 N

3) A long rigind wire carries a 4 A current. What is the magnetic force per unit length on the wire if a 0.355 T magnetic field is directed 53° away from the wire?

a) 8.520E-01 N/m
b) 9.372E-01 N/m
c) 1.031E+00 N/m
d) 1.134E+00 N/m
e) 1.247E+00 N/m

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

QB153099154216

1)
The silver ribbon shown are a=4.81 cm, b=3.96 cm, and c= 1.3 cm. The current carries a current of 274 A and it lies in a uniform magnetic field of 3.23 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
+a) 7.202E-06 V
-b) 7.922E-06 V
-c) 8.714E-06 V
-d) 9.586E-06 V
-e) 1.054E-05 V

2) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 4.69 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(8.9 i + 4.27 j  + 7.52 k) x 104 m/s?

-a) 5.296E-14 N
-b) 5.826E-14 N
+c) 6.408E-14 N
-d) 7.049E-14 N
-e) 7.754E-14 N

3) A long rigind wire carries a 4 A current. What is the magnetic force per unit length on the wire if a 0.355 T magnetic field is directed 53° away from the wire?

-a) 8.520E-01 N/m
-b) 9.372E-01 N/m
-c) 1.031E+00 N/m
+d) 1.134E+00 N/m
-e) 1.247E+00 N/m

### QB:Ch 12:V0

QB153099154216

1) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 22 turns per centimeter and the current applied to the solenoid is 568 mA, the net magnetic field is measured to be 1.29 T. What is the magnetic susceptibility for this case?

a) ${\displaystyle \chi {\text{ (chi) }}=}$ 8.205E+02
b) ${\displaystyle \chi {\text{ (chi) }}=}$ 9.026E+02
c) ${\displaystyle \chi {\text{ (chi) }}=}$ 9.928E+02
d) ${\displaystyle \chi {\text{ (chi) }}=}$ 1.092E+03
e) ${\displaystyle \chi {\text{ (chi) }}=}$ 1.201E+03
2)
The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled ${\displaystyle \beta }$ and ${\displaystyle \omega }$. If I1=2.82 kA, I2=0.964 kA, and I3=2.21 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
a) 1.069E-03 T-m
b) 1.176E-03 T-m
c) 1.294E-03 T-m
d) 1.423E-03 T-m
e) 1.566E-03 T-m
3)
Three wires sit at the corners of a square of length 0.819 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 (2.01 A, 1.09 A, 1.56 A), respectively. What is the y-component of the magnetic field at point P?
a) By= 4.688E-05 T
b) By= 5.156E-05 T
c) By= 5.672E-05 T
d) By= 6.239E-05 T
e) By= 6.863E-05 T

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

QB153099154216

1) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 22 turns per centimeter and the current applied to the solenoid is 568 mA, the net magnetic field is measured to be 1.29 T. What is the magnetic susceptibility for this case?

+a) ${\displaystyle \chi {\text{ (chi) }}=}$ 8.205E+02
-b) ${\displaystyle \chi {\text{ (chi) }}=}$ 9.026E+02
-c) ${\displaystyle \chi {\text{ (chi) }}=}$ 9.928E+02
-d) ${\displaystyle \chi {\text{ (chi) }}=}$ 1.092E+03
-e) ${\displaystyle \chi {\text{ (chi) }}=}$ 1.201E+03
2)
The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled ${\displaystyle \beta }$ and ${\displaystyle \omega }$. If I1=2.82 kA, I2=0.964 kA, and I3=2.21 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
-a) 1.069E-03 T-m
-b) 1.176E-03 T-m
-c) 1.294E-03 T-m
-d) 1.423E-03 T-m
+e) 1.566E-03 T-m
3)
Three wires sit at the corners of a square of length 0.819 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 (2.01 A, 1.09 A, 1.56 A), respectively. What is the y-component of the magnetic field at point P?
-a) By= 4.688E-05 T
-b) By= 5.156E-05 T
-c) By= 5.672E-05 T
+d) By= 6.239E-05 T
-e) By= 6.863E-05 T

### QB:Ch 12:V1

QB153099154216

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

2) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 18 turns per centimeter and the current applied to the solenoid is 582 mA, the net magnetic field is measured to be 1.15 T. What is the magnetic susceptibility for this case?

a) ${\displaystyle \chi {\text{ (chi) }}=}$ 7.211E+02
b) ${\displaystyle \chi {\text{ (chi) }}=}$ 7.932E+02
c) ${\displaystyle \chi {\text{ (chi) }}=}$ 8.726E+02
d) ${\displaystyle \chi {\text{ (chi) }}=}$ 9.598E+02
e) ${\displaystyle \chi {\text{ (chi) }}=}$ 1.056E+03
3)
The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled ${\displaystyle \beta }$ and ${\displaystyle \omega }$. If I1=2.31 kA, I2=1.08 kA, and I3=1.77 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
a) 7.166E-04 T-m
b) 7.883E-04 T-m
c) 8.671E-04 T-m
d) 9.538E-04 T-m
e) 1.049E-03 T-m

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

QB153099154216

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

2) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 18 turns per centimeter and the current applied to the solenoid is 582 mA, the net magnetic field is measured to be 1.15 T. What is the magnetic susceptibility for this case?

-a) ${\displaystyle \chi {\text{ (chi) }}=}$ 7.211E+02
-b) ${\displaystyle \chi {\text{ (chi) }}=}$ 7.932E+02
+c) ${\displaystyle \chi {\text{ (chi) }}=}$ 8.726E+02
-d) ${\displaystyle \chi {\text{ (chi) }}=}$ 9.598E+02
-e) ${\displaystyle \chi {\text{ (chi) }}=}$ 1.056E+03
3)
The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled ${\displaystyle \beta }$ and ${\displaystyle \omega }$. If I1=2.31 kA, I2=1.08 kA, and I3=1.77 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
-a) 7.166E-04 T-m
-b) 7.883E-04 T-m
+c) 8.671E-04 T-m
-d) 9.538E-04 T-m
-e) 1.049E-03 T-m

### QB:Ch 12:V2

QB153099154216

1)
Three wires sit at the corners of a square of length 0.76 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 (1.91 A, 1.34 A, 1.05 A), respectively. What is the y-component of the magnetic field at point P?
a) By= 5.611E-05 T
b) By= 6.172E-05 T
c) By= 6.789E-05 T
d) By= 7.468E-05 T
e) By= 8.215E-05 T
2)
The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled ${\displaystyle \beta }$ and ${\displaystyle \omega }$. If I1=2.51 kA, I2=1.32 kA, and I3=2.73 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
a) 1.331E-03 T-m
b) 1.464E-03 T-m
c) 1.611E-03 T-m
d) 1.772E-03 T-m
e) 1.949E-03 T-m

3) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 24 turns per centimeter and the current applied to the solenoid is 595 mA, the net magnetic field is measured to be 1.46 T. What is the magnetic susceptibility for this case?

a) ${\displaystyle \chi {\text{ (chi) }}=}$ 6.716E+02
b) ${\displaystyle \chi {\text{ (chi) }}=}$ 7.387E+02
c) ${\displaystyle \chi {\text{ (chi) }}=}$ 8.126E+02
d) ${\displaystyle \chi {\text{ (chi) }}=}$ 8.939E+02
e) ${\displaystyle \chi {\text{ (chi) }}=}$ 9.833E+02

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

QB153099154216

1)
Three wires sit at the corners of a square of length 0.76 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 (1.91 A, 1.34 A, 1.05 A), respectively. What is the y-component of the magnetic field at point P?
-a) By= 5.611E-05 T
-b) By= 6.172E-05 T
+c) By= 6.789E-05 T
-d) By= 7.468E-05 T
-e) By= 8.215E-05 T
2)
The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled ${\displaystyle \beta }$ and ${\displaystyle \omega }$. If I1=2.51 kA, I2=1.32 kA, and I3=2.73 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
-a) 1.331E-03 T-m
-b) 1.464E-03 T-m
-c) 1.611E-03 T-m
+d) 1.772E-03 T-m
-e) 1.949E-03 T-m

3) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 24 turns per centimeter and the current applied to the solenoid is 595 mA, the net magnetic field is measured to be 1.46 T. What is the magnetic susceptibility for this case?

-a) ${\displaystyle \chi {\text{ (chi) }}=}$ 6.716E+02
-b) ${\displaystyle \chi {\text{ (chi) }}=}$ 7.387E+02
+c) ${\displaystyle \chi {\text{ (chi) }}=}$ 8.126E+02
-d) ${\displaystyle \chi {\text{ (chi) }}=}$ 8.939E+02
-e) ${\displaystyle \chi {\text{ (chi) }}=}$ 9.833E+02

### QB:Ch 13:V0

QB153099154216

1) A long solenoid has a radius of 0.517 m and 23 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$1 A and ${\displaystyle \alpha =}$30 s−1.What is the induced electric fied at a distance 0.162 m from the axis at time t=0.0679 s ?

a) 6.256E-06 V/m
b) 6.882E-06 V/m
c) 7.570E-06 V/m
d) 8.327E-06 V/m
e) 9.160E-06 V/m

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 0.708 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.16)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$6.34 s. What is the current in the coil if the impedance of the coil is 89.8 Ω?

a) 2.313E-01 A
b) 2.544E-01 A
c) 2.798E-01 A
d) 3.078E-01 A
e) 3.386E-01 A

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

QB153099154216

1) A long solenoid has a radius of 0.517 m and 23 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$1 A and ${\displaystyle \alpha =}$30 s−1.What is the induced electric fied at a distance 0.162 m from the axis at time t=0.0679 s ?

-a) 6.256E-06 V/m
-b) 6.882E-06 V/m
-c) 7.570E-06 V/m
-d) 8.327E-06 V/m
+e) 9.160E-06 V/m

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 0.708 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.16)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$6.34 s. What is the current in the coil if the impedance of the coil is 89.8 Ω?

-a) 2.313E-01 A
-b) 2.544E-01 A
-c) 2.798E-01 A
-d) 3.078E-01 A
+e) 3.386E-01 A

### QB:Ch 13:V1

QB153099154216

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.305 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.59)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$5.58 s. What is the current in the coil if the impedance of the coil is 13.3 Ω?

a) 4.141E-01 A
b) 4.555E-01 A
c) 5.011E-01 A
d) 5.512E-01 A
e) 6.063E-01 A

2) 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

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

a) 2.132E-05 V/m
b) 2.345E-05 V/m
c) 2.579E-05 V/m
d) 2.837E-05 V/m
e) 3.121E-05 V/m

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

QB153099154216

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.305 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.59)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$5.58 s. What is the current in the coil if the impedance of the coil is 13.3 Ω?

-a) 4.141E-01 A
+b) 4.555E-01 A
-c) 5.011E-01 A
-d) 5.512E-01 A
-e) 6.063E-01 A

2) 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

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

+a) 2.132E-05 V/m
-b) 2.345E-05 V/m
-c) 2.579E-05 V/m
-d) 2.837E-05 V/m
-e) 3.121E-05 V/m

### QB:Ch 13:V2

QB153099154216

1) A long solenoid has a radius of 0.749 m and 62 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 =}$25 s−1.What is the induced electric fied at a distance 0.139 m from the axis at time t=0.071 s ?

a) 2.065E-04 V/m
b) 2.271E-04 V/m
c) 2.499E-04 V/m
d) 2.748E-04 V/m
e) 3.023E-04 V/m

2) 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

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.78 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.22)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$9.74 s. What is the current in the coil if the impedance of the coil is 32.1 Ω?

a) 1.742E+00 A
b) 1.916E+00 A
c) 2.108E+00 A
d) 2.319E+00 A
e) 2.551E+00 A

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

QB153099154216

1) A long solenoid has a radius of 0.749 m and 62 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 =}$25 s−1.What is the induced electric fied at a distance 0.139 m from the axis at time t=0.071 s ?

+a) 2.065E-04 V/m
-b) 2.271E-04 V/m
-c) 2.499E-04 V/m
-d) 2.748E-04 V/m
-e) 3.023E-04 V/m

2) 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

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.78 m. The magnetic field is spatially uniform but decays in time according to ${\displaystyle (4.22)e^{-\alpha t}}$, where ${\displaystyle \alpha =}$9.74 s. What is the current in the coil if the impedance of the coil is 32.1 Ω?

+a) 1.742E+00 A
-b) 1.916E+00 A
-c) 2.108E+00 A
-d) 2.319E+00 A
-e) 2.551E+00 A

### QB:Ch 14:V0

QB153099154216

1) An induced emf of 6.75V is measured across a coil of 79 closely wound turns while the current throuth it increases uniformly from 0.0 to 7.76A in 0.115s. What is the self-inductance of the coil?

a) 9.094E-02 H
b) 1.000E-01 H
c) 1.100E-01 H
d) 1.210E-01 H
e) 1.331E-01 H

2) 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
3)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =3.56 s if ε = 6.14 V , R = 7.96 Ω, and L = 6.65 H?
a) 5.281E-01 V
b) 6.337E-01 V
c) 7.605E-01 V
d) 9.126E-01 V
e) 1.095E+00 V

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

QB153099154216

1) An induced emf of 6.75V is measured across a coil of 79 closely wound turns while the current throuth it increases uniformly from 0.0 to 7.76A in 0.115s. What is the self-inductance of the coil?

-a) 9.094E-02 H
+b) 1.000E-01 H
-c) 1.100E-01 H
-d) 1.210E-01 H
-e) 1.331E-01 H

2) 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
3)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =3.56 s if ε = 6.14 V , R = 7.96 Ω, and L = 6.65 H?
-a) 5.281E-01 V
-b) 6.337E-01 V
+c) 7.605E-01 V
-d) 9.126E-01 V
-e) 1.095E+00 V

### QB:Ch 14:V1

QB153099154216

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) An induced emf of 4.02V is measured across a coil of 85 closely wound turns while the current throuth it increases uniformly from 0.0 to 3.53A in 0.438s. What is the self-inductance of the coil?

a) 4.535E-01 H
b) 4.988E-01 H
c) 5.487E-01 H
d) 6.035E-01 H
e) 6.639E-01 H
3)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =20.1 s if ε = 5.77 V , R = 1.38 Ω, and L = 5.45 H?
a) 3.463E+00 V
b) 4.156E+00 V
c) 4.987E+00 V
d) 5.984E+00 V
e) 7.181E+00 V

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

QB153099154216

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) An induced emf of 4.02V is measured across a coil of 85 closely wound turns while the current throuth it increases uniformly from 0.0 to 3.53A in 0.438s. What is the self-inductance of the coil?

-a) 4.535E-01 H
+b) 4.988E-01 H
-c) 5.487E-01 H
-d) 6.035E-01 H
-e) 6.639E-01 H
3)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =20.1 s if ε = 5.77 V , R = 1.38 Ω, and L = 5.45 H?
-a) 3.463E+00 V
+b) 4.156E+00 V
-c) 4.987E+00 V
-d) 5.984E+00 V
-e) 7.181E+00 V

### QB:Ch 14:V2

QB153099154216

1) A washer has an inner diameter of 2.42 cm and an outer diamter of 4.53 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.47mm}$, and ${\displaystyle n=2.8}$. What is the volume of the washer?

a) 8.932E-01 cm3
b) 9.825E-01 cm3
c) 1.081E+00 cm3
d) 1.189E+00 cm3
e) 1.308E+00 cm3
2)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =5.67 s if ε = 5.58 V , R = 3.81 Ω, and L = 3.85 H?
a) 7.037E-01 V
b) 8.444E-01 V
c) 1.013E+00 V
d) 1.216E+00 V
e) 1.459E+00 V

3) An induced emf of 6.75V is measured across a coil of 79 closely wound turns while the current throuth it increases uniformly from 0.0 to 7.76A in 0.115s. What is the self-inductance of the coil?

a) 9.094E-02 H
b) 1.000E-01 H
c) 1.100E-01 H
d) 1.210E-01 H
e) 1.331E-01 H

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

QB153099154216

1) A washer has an inner diameter of 2.42 cm and an outer diamter of 4.53 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.47mm}$, and ${\displaystyle n=2.8}$. What is the volume of the washer?

-a) 8.932E-01 cm3
-b) 9.825E-01 cm3
-c) 1.081E+00 cm3
+d) 1.189E+00 cm3
-e) 1.308E+00 cm3
2)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =5.67 s if ε = 5.58 V , R = 3.81 Ω, and L = 3.85 H?
-a) 7.037E-01 V
-b) 8.444E-01 V
-c) 1.013E+00 V
-d) 1.216E+00 V
+e) 1.459E+00 V

3) An induced emf of 6.75V is measured across a coil of 79 closely wound turns while the current throuth it increases uniformly from 0.0 to 7.76A in 0.115s. What is the self-inductance of the coil?

-a) 9.094E-02 H
+b) 1.000E-01 H
-c) 1.100E-01 H
-d) 1.210E-01 H
-e) 1.331E-01 H

### QB:Ch 15:V0

QB153099154216

1) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=4 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.90E-03H , and C=2.10E-06 F, respectively.

a) Q = 1.381E+02
b) Q = 1.588E+02
c) Q = 1.826E+02
d) Q = 2.100E+02
e) Q = 2.415E+02

2) A step-down transformer steps 19 kV down to 260 V. The high-voltage input is provided by a 290 Ω power line that carries 6 A of currentWhat is the output current (at the 260 V side ?)

a) 3.294E+02 A
b) 3.624E+02 A
c) 3.986E+02 A
d) 4.385E+02 A
e) 4.823E+02 A

3) The output of an ac generator connected to an RLC series combination has a frequency of 3.40E+04 Hz and an amplitude of 8 V. If R =4 Ω, L= 6.60E-03H , and C=5.30E-06 F, what is the rms power transferred to the resistor?

a) 2.007E-03 Watts
b) 2.208E-03 Watts
c) 2.429E-03 Watts
d) 2.672E-03 Watts
e) 2.939E-03 Watts

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

QB153099154216

1) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=4 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.90E-03H , and C=2.10E-06 F, respectively.

-a) Q = 1.381E+02
-b) Q = 1.588E+02
-c) Q = 1.826E+02
-d) Q = 2.100E+02
+e) Q = 2.415E+02

2) A step-down transformer steps 19 kV down to 260 V. The high-voltage input is provided by a 290 Ω power line that carries 6 A of currentWhat is the output current (at the 260 V side ?)

-a) 3.294E+02 A
-b) 3.624E+02 A
-c) 3.986E+02 A
+d) 4.385E+02 A
-e) 4.823E+02 A

3) The output of an ac generator connected to an RLC series combination has a frequency of 3.40E+04 Hz and an amplitude of 8 V. If R =4 Ω, L= 6.60E-03H , and C=5.30E-06 F, what is the rms power transferred to the resistor?

-a) 2.007E-03 Watts
-b) 2.208E-03 Watts
-c) 2.429E-03 Watts
+d) 2.672E-03 Watts
-e) 2.939E-03 Watts

### QB:Ch 15:V1

QB153099154216

1) The output of an ac generator connected to an RLC series combination has a frequency of 8.00E+04 Hz and an amplitude of 2 V. If R =7 Ω, L= 4.60E-03H , and C=5.30E-06 F, what is the rms power transferred to the resistor?

a) 1.047E-04 Watts
b) 1.151E-04 Watts
c) 1.267E-04 Watts
d) 1.393E-04 Watts
e) 1.533E-04 Watts

2) A step-down transformer steps 14 kV down to 210 V. The high-voltage input is provided by a 240 Ω power line that carries 3 A of currentWhat is the output current (at the 210 V side ?)

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 quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=1 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.30E-03H , and C=3.20E-06 F, respectively.

a) Q = 1.048E+02
b) Q = 1.205E+02
c) Q = 1.386E+02
d) Q = 1.594E+02
e) Q = 1.833E+02

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

QB153099154216

1) The output of an ac generator connected to an RLC series combination has a frequency of 8.00E+04 Hz and an amplitude of 2 V. If R =7 Ω, L= 4.60E-03H , and C=5.30E-06 F, what is the rms power transferred to the resistor?

+a) 1.047E-04 Watts
-b) 1.151E-04 Watts
-c) 1.267E-04 Watts
-d) 1.393E-04 Watts
-e) 1.533E-04 Watts

2) A step-down transformer steps 14 kV down to 210 V. The high-voltage input is provided by a 240 Ω power line that carries 3 A of currentWhat is the output current (at the 210 V side ?)

+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 quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=1 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.30E-03H , and C=3.20E-06 F, respectively.

-a) Q = 1.048E+02
-b) Q = 1.205E+02
-c) Q = 1.386E+02
-d) Q = 1.594E+02
+e) Q = 1.833E+02

### QB:Ch 15:V2

QB153099154216

1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 Ω power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)

a) 2.156E+02 A
b) 2.372E+02 A
c) 2.609E+02 A
d) 2.870E+02 A
e) 3.157E+02 A

2) The output of an ac generator connected to an RLC series combination has a frequency of 6.10E+04 Hz and an amplitude of 9 V. If R =4 Ω, L= 3.40E-03H , and C=8.10E-06 F, what is the rms power transferred to the resistor?

a) 3.839E-03 Watts
b) 4.223E-03 Watts
c) 4.646E-03 Watts
d) 5.110E-03 Watts
e) 5.621E-03 Watts

3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=4 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.90E-03H , and C=2.10E-06 F, respectively.

a) Q = 1.381E+02
b) Q = 1.588E+02
c) Q = 1.826E+02
d) Q = 2.100E+02
e) Q = 2.415E+02

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

QB153099154216

1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 Ω power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)

-a) 2.156E+02 A
-b) 2.372E+02 A
+c) 2.609E+02 A
-d) 2.870E+02 A
-e) 3.157E+02 A

2) The output of an ac generator connected to an RLC series combination has a frequency of 6.10E+04 Hz and an amplitude of 9 V. If R =4 Ω, L= 3.40E-03H , and C=8.10E-06 F, what is the rms power transferred to the resistor?

+a) 3.839E-03 Watts
-b) 4.223E-03 Watts
-c) 4.646E-03 Watts
-d) 5.110E-03 Watts
-e) 5.621E-03 Watts

3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=4 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.90E-03H , and C=2.10E-06 F, respectively.

-a) Q = 1.381E+02
-b) Q = 1.588E+02
-c) Q = 1.826E+02
-d) Q = 2.100E+02
+e) Q = 2.415E+02

### QB:Ch 16:V0

QB153099154216

1) A 59 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 76 kW?

a) 1.008E+02 km
b) 1.109E+02 km
c) 1.219E+02 km
d) 1.341E+02 km
e) 1.475E+02 km

2) What is the radiation force on an object that is 1.20E+11 m away from the sun and has cross-sectional area of 0.055 m2? The average power output of the Sun is 3.80E+26 W.

a) 5.263E-07 N
b) 5.789E-07 N
c) 6.368E-07 N
d) 7.005E-07 N
e) 7.705E-07 N
3)
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

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

QB153099154216

1) A 59 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 76 kW?

-a) 1.008E+02 km
-b) 1.109E+02 km
-c) 1.219E+02 km
-d) 1.341E+02 km
+e) 1.475E+02 km

2) What is the radiation force on an object that is 1.20E+11 m away from the sun and has cross-sectional area of 0.055 m2? The average power output of the Sun is 3.80E+26 W.

-a) 5.263E-07 N
-b) 5.789E-07 N
-c) 6.368E-07 N
-d) 7.005E-07 N
+e) 7.705E-07 N
3)
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

### QB:Ch 16:V1

QB153099154216

1) A 55 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 93 kW?

a) 1.270E+02 km
b) 1.397E+02 km
c) 1.537E+02 km
d) 1.690E+02 km
e) 1.859E+02 km

2) What is the radiation force on an object that is 5.50E+11 m away from the sun and has cross-sectional area of 0.075 m2? The average power output of the Sun is 3.80E+26 W.

a) 5.002E-08 N
b) 5.502E-08 N
c) 6.052E-08 N
d) 6.657E-08 N
e) 7.323E-08 N
3)
A parallel plate capacitor with a capicatnce C=8.20E-06 F whose plates have an area A=4.10E+03 m2 and separation d=4.40E-03 m is connected via a swith to a 87 Ω resistor and a battery of voltage V0=37 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=9.20E-04?
a) 4.578E+03 V/m
b) 5.036E+03 V/m
c) 5.539E+03 V/m
d) 6.093E+03 V/m
e) 6.703E+03 V/m

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

QB153099154216

1) A 55 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 93 kW?

-a) 1.270E+02 km
-b) 1.397E+02 km
-c) 1.537E+02 km
+d) 1.690E+02 km
-e) 1.859E+02 km

2) What is the radiation force on an object that is 5.50E+11 m away from the sun and has cross-sectional area of 0.075 m2? The average power output of the Sun is 3.80E+26 W.

+a) 5.002E-08 N
-b) 5.502E-08 N
-c) 6.052E-08 N
-d) 6.657E-08 N
-e) 7.323E-08 N
3)
A parallel plate capacitor with a capicatnce C=8.20E-06 F whose plates have an area A=4.10E+03 m2 and separation d=4.40E-03 m is connected via a swith to a 87 Ω resistor and a battery of voltage V0=37 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=9.20E-04?
-a) 4.578E+03 V/m
-b) 5.036E+03 V/m
-c) 5.539E+03 V/m
+d) 6.093E+03 V/m
-e) 6.703E+03 V/m

### QB:Ch 16:V2

QB153099154216

1) A 58 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 98 kW?

a) 1.418E+02 km
b) 1.560E+02 km
c) 1.716E+02 km
d) 1.887E+02 km
e) 2.076E+02 km
2)
A parallel plate capacitor with a capicatnce C=5.20E-06 F whose plates have an area A=2.90E+03 m2 and separation d=4.90E-03 m is connected via a swith to a 93 Ω resistor and a battery of voltage V0=5 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=2.20E-03?
a) 6.896E+02 V/m
b) 7.585E+02 V/m
c) 8.344E+02 V/m
d) 9.178E+02 V/m
e) 1.010E+03 V/m

3) What is the radiation force on an object that is 1.70E+11 m away from the sun and has cross-sectional area of 0.033 m2? The average power output of the Sun is 3.80E+26 W.

a) 1.904E-07 N
b) 2.094E-07 N
c) 2.303E-07 N
d) 2.534E-07 N
e) 2.787E-07 N

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

QB153099154216

1) A 58 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 98 kW?

-a) 1.418E+02 km
+b) 1.560E+02 km
-c) 1.716E+02 km
-d) 1.887E+02 km
-e) 2.076E+02 km
2)
A parallel plate capacitor with a capicatnce C=5.20E-06 F whose plates have an area A=2.90E+03 m2 and separation d=4.90E-03 m is connected via a swith to a 93 Ω resistor and a battery of voltage V0=5 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=2.20E-03?
-a) 6.896E+02 V/m
-b) 7.585E+02 V/m
-c) 8.344E+02 V/m
-d) 9.178E+02 V/m
+e) 1.010E+03 V/m

3) What is the radiation force on an object that is 1.70E+11 m away from the sun and has cross-sectional area of 0.033 m2? The average power output of the Sun is 3.80E+26 W.

-a) 1.904E-07 N
-b) 2.094E-07 N
+c) 2.303E-07 N
-d) 2.534E-07 N
-e) 2.787E-07 N