# Quizbank/Electricity and Magnetism (calculus based)/QB153099154212

QB153099154212

### QB:Ch 5:V0

QB153099154212

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)
A ring is uniformly charged with a net charge of 7 nC. The radius of the ring is R=1.7 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.2 m (on axis) away from the loop's center?
a) 6.925E+09 N/C2
b) 7.617E+09 N/C2
c) 8.379E+09 N/C2
d) 9.217E+09 N/C2
e) 1.014E+10 N/C2

3) A large thin isolated square plate has an area of 4 m2. It is uniformly charged with 5 nC of charge. What is the magnitude of the electric field 1 mm from the center of the plate's surface?

a) 4.821E+01 N/C
b) 5.303E+01 N/C
c) 5.834E+01 N/C
d) 6.417E+01 N/C
e) 7.059E+01 N/C

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

QB153099154212

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)
A ring is uniformly charged with a net charge of 7 nC. The radius of the ring is R=1.7 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.2 m (on axis) away from the loop's center?
-a) 6.925E+09 N/C2
-b) 7.617E+09 N/C2
+c) 8.379E+09 N/C2
-d) 9.217E+09 N/C2
-e) 1.014E+10 N/C2

3) A large thin isolated square plate has an area of 4 m2. It is uniformly charged with 5 nC of charge. What is the magnitude of the electric field 1 mm from the center of the plate's surface?

-a) 4.821E+01 N/C
-b) 5.303E+01 N/C
-c) 5.834E+01 N/C
-d) 6.417E+01 N/C
+e) 7.059E+01 N/C

### QB:Ch 5:V1

QB153099154212

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

a) 5.647E+01 N/C
b) 6.212E+01 N/C
c) 6.833E+01 N/C
d) 7.516E+01 N/C
e) 8.268E+01 N/C
2)
A ring is uniformly charged with a net charge of 7 nC. The radius of the ring is R=1.7 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.2 m (on axis) away from the loop's center?
a) 6.925E+09 N/C2
b) 7.617E+09 N/C2
c) 8.379E+09 N/C2
d) 9.217E+09 N/C2
e) 1.014E+10 N/C2
3)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=6\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=1e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=2e}$?
a) 3.426E-15 N
b) 3.768E-15 N
c) 4.145E-15 N
d) 4.560E-15 N
e) 5.015E-15 N

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

QB153099154212

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

+a) 5.647E+01 N/C
-b) 6.212E+01 N/C
-c) 6.833E+01 N/C
-d) 7.516E+01 N/C
-e) 8.268E+01 N/C
2)
A ring is uniformly charged with a net charge of 7 nC. The radius of the ring is R=1.7 m, with its center at the origin and oriented normal to the z axis as shown. what is the magnitude of the electric field at a distance z=1.2 m (on axis) away from the loop's center?
-a) 6.925E+09 N/C2
-b) 7.617E+09 N/C2
+c) 8.379E+09 N/C2
-d) 9.217E+09 N/C2
-e) 1.014E+10 N/C2
3)
Three small charged objects are placed as shown, where ${\displaystyle b=2a}$, and ${\displaystyle a=6\times 10^{-7}{\text{m}}}$. What is the magnitude of the net force on ${\displaystyle q_{2}}$ if ${\displaystyle q_{1}=1e}$, ${\displaystyle q_{2}=-7e}$, and ${\displaystyle q_{3}=2e}$?
-a) 3.426E-15 N
-b) 3.768E-15 N
-c) 4.145E-15 N
-d) 4.560E-15 N
+e) 5.015E-15 N

### QB:Ch 5:V2

QB153099154212

1)
A ring is uniformly charged with a net charge of 9 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=0.73 m (on axis) away from the loop's center?
a) 7.415E+09 N/C2
b) 8.156E+09 N/C2
c) 8.972E+09 N/C2
d) 9.869E+09 N/C2
e) 1.086E+10 N/C2
2)
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 ${\displaystyle q_{3}=2e}$?
a) 3.876E-14 N
b) 4.263E-14 N
c) 4.690E-14 N
d) 5.159E-14 N
e) 5.675E-14 N

3) A large thin isolated square plate has an area of 4 m2. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 2 mm from the center of the plate's surface?

a) 9.546E+01 N/C
b) 1.050E+02 N/C
c) 1.155E+02 N/C
d) 1.271E+02 N/C
e) 1.398E+02 N/C

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

QB153099154212

1)
A ring is uniformly charged with a net charge of 9 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=0.73 m (on axis) away from the loop's center?
-a) 7.415E+09 N/C2
-b) 8.156E+09 N/C2
-c) 8.972E+09 N/C2
-d) 9.869E+09 N/C2
+e) 1.086E+10 N/C2
2)
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 ${\displaystyle q_{3}=2e}$?
-a) 3.876E-14 N
-b) 4.263E-14 N
-c) 4.690E-14 N
+d) 5.159E-14 N
-e) 5.675E-14 N

3) A large thin isolated square plate has an area of 4 m2. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 2 mm from the center of the plate's surface?

-a) 9.546E+01 N/C
-b) 1.050E+02 N/C
-c) 1.155E+02 N/C
+d) 1.271E+02 N/C
-e) 1.398E+02 N/C

### QB:Ch 6:V0

QB153099154212

1) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 9.0 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.5 m from the center of the shells?

a) 9.144E+00 N/C
b) 1.006E+01 N/C
c) 1.106E+01 N/C
d) 1.217E+01 N/C
e) 1.339E+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=2.6 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=5.4 m, z=z0=1.4 m, and z=z1=5.6 m. The surfaces in the yz plane each have area 16.0m2. Those in the xy plane have area 9.6m2 ,and those in the zx plane have area 11.0m2. An electric field of magnitude 15 N/C has components in the y and z directions and is directed at 33° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 8.921E+01 N·m2/C
b) 9.813E+01 N·m2/C
c) 1.079E+02 N·m2/C
d) 1.187E+02 N·m2/C
e) 1.306E+02 N·m2/C
3)
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=1.2 m, y=y1=4.2 m, z=z0=1.2 m, and z=z1=4.1 m. The surfaces in the yz plane each have area 8.7m2. Those in the xy plane have area 7.2m2 ,and those in the zx plane have area 7.0m2. An electric field of magnitude 12 N/C has components in the y and z directions and is directed at 58° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 4.024E+01 N·m2/C
b) 4.426E+01 N·m2/C
c) 4.868E+01 N·m2/C
d) 5.355E+01 N·m2/C
e) 5.891E+01 N·m2/C

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

QB153099154212

1) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 9.0 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.5 m from the center of the shells?

-a) 9.144E+00 N/C
-b) 1.006E+01 N/C
-c) 1.106E+01 N/C
-d) 1.217E+01 N/C
+e) 1.339E+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=2.6 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=5.4 m, z=z0=1.4 m, and z=z1=5.6 m. The surfaces in the yz plane each have area 16.0m2. Those in the xy plane have area 9.6m2 ,and those in the zx plane have area 11.0m2. An electric field of magnitude 15 N/C has components in the y and z directions and is directed at 33° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
+a) 8.921E+01 N·m2/C
-b) 9.813E+01 N·m2/C
-c) 1.079E+02 N·m2/C
-d) 1.187E+02 N·m2/C
-e) 1.306E+02 N·m2/C
3)
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=1.2 m, y=y1=4.2 m, z=z0=1.2 m, and z=z1=4.1 m. The surfaces in the yz plane each have area 8.7m2. Those in the xy plane have area 7.2m2 ,and those in the zx plane have area 7.0m2. An electric field of magnitude 12 N/C has components in the y and z directions and is directed at 58° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 4.024E+01 N·m2/C
+b) 4.426E+01 N·m2/C
-c) 4.868E+01 N·m2/C
-d) 5.355E+01 N·m2/C
-e) 5.891E+01 N·m2/C

### QB:Ch 6:V1

QB153099154212

1) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 7.8 nano-Coulombs. What is the magnitude of the electric field at a distance of 1.3 m from the center of the shells?

a) 2.837E+01 N/C
b) 3.121E+01 N/C
c) 3.433E+01 N/C
d) 3.776E+01 N/C
e) 4.154E+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=2.2 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=4.6 m, z=z0=1.4 m, and z=z1=4.5 m. The surfaces in the yz plane each have area 9.0m2. Those in the xy plane have area 6.4m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 15 N/C has components in the y and z directions and is directed at 31° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 3.959E+01 N·m2/C
b) 4.354E+01 N·m2/C
c) 4.790E+01 N·m2/C
d) 5.269E+01 N·m2/C
e) 5.796E+01 N·m2/C
3)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.7 m. The other four surfaces are rectangles in y=y0=1.9 m, y=y1=4.3 m, z=z0=1.7 m, and z=z1=5.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 4.1m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 13 N/C has components in the y and z directions and is directed at 27° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 7.876E+01 N·m2/C
b) 8.664E+01 N·m2/C
c) 9.531E+01 N·m2/C
d) 1.048E+02 N·m2/C
e) 1.153E+02 N·m2/C

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

QB153099154212

1) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 7.8 nano-Coulombs. What is the magnitude of the electric field at a distance of 1.3 m from the center of the shells?

-a) 2.837E+01 N/C
-b) 3.121E+01 N/C
-c) 3.433E+01 N/C
-d) 3.776E+01 N/C
+e) 4.154E+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=2.2 m. The other four surfaces are rectangles in y=y0=1.7 m, y=y1=4.6 m, z=z0=1.4 m, and z=z1=4.5 m. The surfaces in the yz plane each have area 9.0m2. Those in the xy plane have area 6.4m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 15 N/C has components in the y and z directions and is directed at 31° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 3.959E+01 N·m2/C
-b) 4.354E+01 N·m2/C
-c) 4.790E+01 N·m2/C
+d) 5.269E+01 N·m2/C
-e) 5.796E+01 N·m2/C
3)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.7 m. The other four surfaces are rectangles in y=y0=1.9 m, y=y1=4.3 m, z=z0=1.7 m, and z=z1=5.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 4.1m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 13 N/C has components in the y and z directions and is directed at 27° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
+a) 7.876E+01 N·m2/C
-b) 8.664E+01 N·m2/C
-c) 9.531E+01 N·m2/C
-d) 1.048E+02 N·m2/C
-e) 1.153E+02 N·m2/C

### QB:Ch 6:V2

QB153099154212

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=1.6 m, y=y1=4.4 m, z=z0=1.2 m, and z=z1=5.9 m. The surfaces in the yz plane each have area 13.0m2. Those in the xy plane have area 7.6m2 ,and those in the zx plane have area 13.0m2. An electric field of magnitude 8 N/C has components in the y and z directions and is directed at 46° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 4.988E+01 N·m2/C
b) 5.487E+01 N·m2/C
c) 6.035E+01 N·m2/C
d) 6.639E+01 N·m2/C
e) 7.303E+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)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.7 m. The other four surfaces are rectangles in y=y0=1.9 m, y=y1=4.3 m, z=z0=1.7 m, and z=z1=5.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 4.1m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 13 N/C has components in the y and z directions and is directed at 27° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 7.876E+01 N·m2/C
b) 8.664E+01 N·m2/C
c) 9.531E+01 N·m2/C
d) 1.048E+02 N·m2/C
e) 1.153E+02 N·m2/C

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

QB153099154212

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=1.6 m, y=y1=4.4 m, z=z0=1.2 m, and z=z1=5.9 m. The surfaces in the yz plane each have area 13.0m2. Those in the xy plane have area 7.6m2 ,and those in the zx plane have area 13.0m2. An electric field of magnitude 8 N/C has components in the y and z directions and is directed at 46° from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 4.988E+01 N·m2/C
-b) 5.487E+01 N·m2/C
-c) 6.035E+01 N·m2/C
-d) 6.639E+01 N·m2/C
+e) 7.303E+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)
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.7 m. The other four surfaces are rectangles in y=y0=1.9 m, y=y1=4.3 m, z=z0=1.7 m, and z=z1=5.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 4.1m2 ,and those in the zx plane have area 6.8m2. An electric field of magnitude 13 N/C has components in the y and z directions and is directed at 27° above the xy-plane (i.e. above the y axis.) What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
+a) 7.876E+01 N·m2/C
-b) 8.664E+01 N·m2/C
-c) 9.531E+01 N·m2/C
-d) 1.048E+02 N·m2/C
-e) 1.153E+02 N·m2/C

### QB:Ch 7:V0

QB153099154212

1) A 12.0 V battery can move 12,000 C of charge. How many Joules does it deliver?

a) 1.190E+05 J
b) 1.309E+05 J
c) 1.440E+05 J
d) 1.584E+05 J
e) 1.742E+05 J
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=6 μC, and q4=8 μC. How much work was required to assemble these four charges from infinity?
a) 2.343E+01 J
b) 2.577E+01 J
c) 2.835E+01 J
d) 3.118E+01 J
e) 3.430E+01 J

3) Two large parallel conducting plates are separated by 9.71 mm. Equal and opposite surface charges of 7.550E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 73 V?

a) 7.444E-01 mm
b) 8.561E-01 mm
c) 9.845E-01 mm
d) 1.132E+00 mm
e) 1.302E+00 mm

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

QB153099154212

1) A 12.0 V battery can move 12,000 C of charge. How many Joules does it deliver?

-a) 1.190E+05 J
-b) 1.309E+05 J
+c) 1.440E+05 J
-d) 1.584E+05 J
-e) 1.742E+05 J
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=6 μC, and q4=8 μC. How much work was required to assemble these four charges from infinity?
-a) 2.343E+01 J
+b) 2.577E+01 J
-c) 2.835E+01 J
-d) 3.118E+01 J
-e) 3.430E+01 J

3) Two large parallel conducting plates are separated by 9.71 mm. Equal and opposite surface charges of 7.550E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 73 V?

-a) 7.444E-01 mm
+b) 8.561E-01 mm
-c) 9.845E-01 mm
-d) 1.132E+00 mm
-e) 1.302E+00 mm

### QB:Ch 7:V1

QB153099154212

1) Two large parallel conducting plates are separated by 7.77 mm. Equal and opposite surface charges of 7.310E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 73 V?

a) 5.814E-01 mm
b) 6.686E-01 mm
c) 7.689E-01 mm
d) 8.842E-01 mm
e) 1.017E+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 12.0 V battery can move 38,000 C of charge. How many Joules does it deliver?

a) 3.115E+05 J
b) 3.426E+05 J
c) 3.769E+05 J
d) 4.145E+05 J
e) 4.560E+05 J

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

QB153099154212

1) Two large parallel conducting plates are separated by 7.77 mm. Equal and opposite surface charges of 7.310E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 73 V?

-a) 5.814E-01 mm
-b) 6.686E-01 mm
-c) 7.689E-01 mm
+d) 8.842E-01 mm
-e) 1.017E+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 12.0 V battery can move 38,000 C of charge. How many Joules does it deliver?

-a) 3.115E+05 J
-b) 3.426E+05 J
-c) 3.769E+05 J
-d) 4.145E+05 J
+e) 4.560E+05 J

### QB:Ch 7:V2

QB153099154212

1)
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=5 μC, q3=8 μC, and q4=11 μC. How much work was required to assemble these four charges from infinity?
a) 3.444E+01 J
b) 3.789E+01 J
c) 4.168E+01 J
d) 4.585E+01 J
e) 5.043E+01 J

2) A 12.0 V battery can move 31,000 C of charge. How many Joules does it deliver?

a) 2.541E+05 J
b) 2.795E+05 J
c) 3.074E+05 J
d) 3.382E+05 J
e) 3.720E+05 J

3) Two large parallel conducting plates are separated by 7.01 mm. Equal and opposite surface charges of 7.330E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 55 V?

a) 3.799E-01 mm
b) 4.368E-01 mm
c) 5.024E-01 mm
d) 5.777E-01 mm
e) 6.644E-01 mm

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

QB153099154212

1)
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=5 μC, q3=8 μC, and q4=11 μC. How much work was required to assemble these four charges from infinity?
-a) 3.444E+01 J
-b) 3.789E+01 J
+c) 4.168E+01 J
-d) 4.585E+01 J
-e) 5.043E+01 J

2) A 12.0 V battery can move 31,000 C of charge. How many Joules does it deliver?

-a) 2.541E+05 J
-b) 2.795E+05 J
-c) 3.074E+05 J
-d) 3.382E+05 J
+e) 3.720E+05 J

3) Two large parallel conducting plates are separated by 7.01 mm. Equal and opposite surface charges of 7.330E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 55 V?

-a) 3.799E-01 mm
-b) 4.368E-01 mm
-c) 5.024E-01 mm
-d) 5.777E-01 mm
+e) 6.644E-01 mm

### QB:Ch 8:V0

QB153099154212

1) An empty parallel-plate capacitor with metal plates has an area of 1.73 m2, separated by 1.16 mm. How much charge does it store if the voltage is 1.130E+03 V?

a) 1.121E+01 μC
b) 1.233E+01 μC
c) 1.357E+01 μC
d) 1.492E+01 μC
e) 1.641E+01 μC
2)
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
3)
In the figure shown C1=20.7 μF, C2=2.79 μF, and C3=5.18 μF. The voltage source provides ε=15.0 V. What is the energy stored in C2?
a) 2.064E+01 μJ
b) 2.270E+01 μJ
c) 2.497E+01 μJ
d) 2.747E+01 μJ
e) 3.022E+01 μJ

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

QB153099154212

1) An empty parallel-plate capacitor with metal plates has an area of 1.73 m2, separated by 1.16 mm. How much charge does it store if the voltage is 1.130E+03 V?

-a) 1.121E+01 μC
-b) 1.233E+01 μC
-c) 1.357E+01 μC
+d) 1.492E+01 μC
-e) 1.641E+01 μC
2)
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
3)
In the figure shown C1=20.7 μF, C2=2.79 μF, and C3=5.18 μF. The voltage source provides ε=15.0 V. What is the energy stored in C2?
-a) 2.064E+01 μJ
-b) 2.270E+01 μJ
-c) 2.497E+01 μJ
-d) 2.747E+01 μJ
+e) 3.022E+01 μJ

### QB:Ch 8:V1

QB153099154212

1)
In the figure shown C1=18.1 μF, C2=2.13 μF, and C3=5.48 μF. The voltage source provides ε=14.6 V. What is the energy stored in C2?
a) 1.645E+01 μJ
b) 1.809E+01 μJ
c) 1.990E+01 μJ
d) 2.189E+01 μJ
e) 2.408E+01 μJ
2)
In the figure shown C1=17.9 μF, C2=2.71 μF, and C3=4.14 μF. The voltage source provides ε=7.12 V. What is the charge on C1?
a) 3.527E+01 μC
b) 3.880E+01 μC
c) 4.268E+01 μC
d) 4.695E+01 μC
e) 5.164E+01 μC

3) An empty parallel-plate capacitor with metal plates has an area of 1.94 m2, separated by 1.27 mm. How much charge does it store if the voltage is 8.780E+03 V?

a) 1.080E+02 μC
b) 1.188E+02 μC
c) 1.306E+02 μC
d) 1.437E+02 μC
e) 1.581E+02 μC

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

QB153099154212

1)
In the figure shown C1=18.1 μF, C2=2.13 μF, and C3=5.48 μF. The voltage source provides ε=14.6 V. What is the energy stored in C2?
-a) 1.645E+01 μJ
-b) 1.809E+01 μJ
-c) 1.990E+01 μJ
+d) 2.189E+01 μJ
-e) 2.408E+01 μJ
2)
In the figure shown C1=17.9 μF, C2=2.71 μF, and C3=4.14 μF. The voltage source provides ε=7.12 V. What is the charge on C1?
+a) 3.527E+01 μC
-b) 3.880E+01 μC
-c) 4.268E+01 μC
-d) 4.695E+01 μC
-e) 5.164E+01 μC

3) An empty parallel-plate capacitor with metal plates has an area of 1.94 m2, separated by 1.27 mm. How much charge does it store if the voltage is 8.780E+03 V?

-a) 1.080E+02 μC
+b) 1.188E+02 μC
-c) 1.306E+02 μC
-d) 1.437E+02 μC
-e) 1.581E+02 μC

### QB:Ch 8:V2

QB153099154212

1)
In the figure shown C1=17.5 μF, C2=2.63 μF, and C3=5.76 μF. The voltage source provides ε=15.9 V. What is the charge on C1?
a) 8.197E+01 μC
b) 9.017E+01 μC
c) 9.919E+01 μC
d) 1.091E+02 μC
e) 1.200E+02 μC
2)
In the figure shown C1=20.7 μF, C2=2.79 μF, and C3=5.18 μF. The voltage source provides ε=15.0 V. What is the energy stored in C2?
a) 2.064E+01 μJ
b) 2.270E+01 μJ
c) 2.497E+01 μJ
d) 2.747E+01 μJ
e) 3.022E+01 μJ

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

a) 4.005E+01 μC
b) 4.405E+01 μC
c) 4.846E+01 μC
d) 5.330E+01 μC
e) 5.864E+01 μC

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

QB153099154212

1)
In the figure shown C1=17.5 μF, C2=2.63 μF, and C3=5.76 μF. The voltage source provides ε=15.9 V. What is the charge on C1?
-a) 8.197E+01 μC
+b) 9.017E+01 μC
-c) 9.919E+01 μC
-d) 1.091E+02 μC
-e) 1.200E+02 μC
2)
In the figure shown C1=20.7 μF, C2=2.79 μF, and C3=5.18 μF. The voltage source provides ε=15.0 V. What is the energy stored in C2?
-a) 2.064E+01 μJ
-b) 2.270E+01 μJ
-c) 2.497E+01 μJ
-d) 2.747E+01 μJ
+e) 3.022E+01 μJ

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

-a) 4.005E+01 μC
-b) 4.405E+01 μC
-c) 4.846E+01 μC
-d) 5.330E+01 μC
+e) 5.864E+01 μC

### QB:Ch 9:V0

QB153099154212

1) Calculate the resistance of a 12-gauge copper wire that is 59 m long and carries a current of 26 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) 2.995E-01 Ω
b) 3.294E-01 Ω
c) 3.623E-01 Ω
d) 3.986E-01 Ω
e) 4.384E-01 Ω

2) Calculate the drift speed of electrons in a copper wire with a diameter of 2.72 mm carrying a 16.2 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

a) 2.087E-04 m/s
b) 2.295E-04 m/s
c) 2.525E-04 m/s
d) 2.777E-04 m/s
e) 3.055E-04 m/s

3) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=52 C and ${\displaystyle \tau =}$0.018 s. What is the current at ${\displaystyle t=}$0.0207 s?

a) 6.872E+02 A
b) 7.560E+02 A
c) 8.316E+02 A
d) 9.147E+02 A
e) 1.006E+03 A

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

QB153099154212

1) Calculate the resistance of a 12-gauge copper wire that is 59 m long and carries a current of 26 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) 2.995E-01 Ω
-b) 3.294E-01 Ω
-c) 3.623E-01 Ω
-d) 3.986E-01 Ω
-e) 4.384E-01 Ω

2) Calculate the drift speed of electrons in a copper wire with a diameter of 2.72 mm carrying a 16.2 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.

+a) 2.087E-04 m/s
-b) 2.295E-04 m/s
-c) 2.525E-04 m/s
-d) 2.777E-04 m/s
-e) 3.055E-04 m/s

3) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=52 C and ${\displaystyle \tau =}$0.018 s. What is the current at ${\displaystyle t=}$0.0207 s?

-a) 6.872E+02 A
-b) 7.560E+02 A
-c) 8.316E+02 A
+d) 9.147E+02 A
-e) 1.006E+03 A

### QB:Ch 9:V1

QB153099154212

1) 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

2) Calculate the drift speed of electrons in a copper wire with a diameter of 4.79 mm carrying a 10.9 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) 3.401E-05 m/s
b) 3.741E-05 m/s
c) 4.116E-05 m/s
d) 4.527E-05 m/s
e) 4.980E-05 m/s

3) Calculate the resistance of a 12-gauge copper wire that is 81 m long and carries a current of 32 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) 3.737E-01 Ω
b) 4.111E-01 Ω
c) 4.522E-01 Ω
d) 4.975E-01 Ω
e) 5.472E-01 Ω

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

QB153099154212

1) 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

2) Calculate the drift speed of electrons in a copper wire with a diameter of 4.79 mm carrying a 10.9 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) 3.401E-05 m/s
-b) 3.741E-05 m/s
-c) 4.116E-05 m/s
+d) 4.527E-05 m/s
-e) 4.980E-05 m/s

3) Calculate the resistance of a 12-gauge copper wire that is 81 m long and carries a current of 32 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) 3.737E-01 Ω
+b) 4.111E-01 Ω
-c) 4.522E-01 Ω
-d) 4.975E-01 Ω
-e) 5.472E-01 Ω

### QB:Ch 9:V2

QB153099154212

1) Calculate the resistance of a 12-gauge copper wire that is 59 m long and carries a current of 26 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) 2.995E-01 Ω
b) 3.294E-01 Ω
c) 3.623E-01 Ω
d) 3.986E-01 Ω
e) 4.384E-01 Ω

2) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=52 C and ${\displaystyle \tau =}$0.018 s. What is the current at ${\displaystyle t=}$0.0207 s?

a) 6.872E+02 A
b) 7.560E+02 A
c) 8.316E+02 A
d) 9.147E+02 A
e) 1.006E+03 A

3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.47 mm carrying a 3.48 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) 1.008E-05 m/s
b) 1.108E-05 m/s
c) 1.219E-05 m/s
d) 1.341E-05 m/s
e) 1.475E-05 m/s

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

QB153099154212

1) Calculate the resistance of a 12-gauge copper wire that is 59 m long and carries a current of 26 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) 2.995E-01 Ω
-b) 3.294E-01 Ω
-c) 3.623E-01 Ω
-d) 3.986E-01 Ω
-e) 4.384E-01 Ω

2) The charge passing a plane intersecting a wire is ${\displaystyle Q_{M}=\left(1-e^{t/\tau }\right)}$, where ${\displaystyle Q_{M}}$=52 C and ${\displaystyle \tau =}$0.018 s. What is the current at ${\displaystyle t=}$0.0207 s?

-a) 6.872E+02 A
-b) 7.560E+02 A
-c) 8.316E+02 A
+d) 9.147E+02 A
-e) 1.006E+03 A

3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.47 mm carrying a 3.48 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) 1.008E-05 m/s
+b) 1.108E-05 m/s
-c) 1.219E-05 m/s
-d) 1.341E-05 m/s
-e) 1.475E-05 m/s

### QB:Ch 10:V0

QB153099154212

1) A given battery has a 14 V emf and an internal resistance of 0.198 Ω. If it is connected to a 0.534 Ω resistor what is the power dissipated by that load?

a) 1.776E+02 W
b) 1.953E+02 W
c) 2.149E+02 W
d) 2.364E+02 W
e) 2.600E+02 W
2)
Two sources of emf ε1=39.4 V, and ε2=12.2 V are oriented as shownin the circuit. The resistances are R1=3.84 kΩ and R2=2.01 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.71 mA and I4=0.669 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) 8.825E+00 V
b) 9.708E+00 V
c) 1.068E+01 V
d) 1.175E+01 V
e) 1.292E+01 V
3)
The resistances in the figure shown are R1= 2.24 Ω, R2= 1.03 Ω, and R2= 2.39 Ω. V1 and V3 are text 0.595 V and 2.58 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.707 V. What is the absolute value of the current through R1?
a) 1.834E-01 A
b) 2.018E-01 A
c) 2.220E-01 A
d) 2.441E-01 A
e) 2.686E-01 A

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

QB153099154212

1) A given battery has a 14 V emf and an internal resistance of 0.198 Ω. If it is connected to a 0.534 Ω resistor what is the power dissipated by that load?

-a) 1.776E+02 W
+b) 1.953E+02 W
-c) 2.149E+02 W
-d) 2.364E+02 W
-e) 2.600E+02 W
2)
Two sources of emf ε1=39.4 V, and ε2=12.2 V are oriented as shownin the circuit. The resistances are R1=3.84 kΩ and R2=2.01 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.71 mA and I4=0.669 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) 8.825E+00 V
-b) 9.708E+00 V
-c) 1.068E+01 V
-d) 1.175E+01 V
+e) 1.292E+01 V
3)
The resistances in the figure shown are R1= 2.24 Ω, R2= 1.03 Ω, and R2= 2.39 Ω. V1 and V3 are text 0.595 V and 2.58 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.707 V. What is the absolute value of the current through R1?
-a) 1.834E-01 A
+b) 2.018E-01 A
-c) 2.220E-01 A
-d) 2.441E-01 A
-e) 2.686E-01 A

### QB:Ch 10:V1

QB153099154212

1)
Two sources of emf ε1=14.3 V, and ε2=5.6 V are oriented as shownin the circuit. The resistances are R1=5.31 kΩ and R2=2.39 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=1.12 mA and I4=0.284 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
a) 3.416E+00 V
b) 3.757E+00 V
c) 4.133E+00 V
d) 4.546E+00 V
e) 5.001E+00 V

2) A given battery has a 13 V emf and an internal resistance of 0.161 Ω. If it is connected to a 0.814 Ω resistor what is the power dissipated by that load?

a) 1.087E+02 W
b) 1.196E+02 W
c) 1.316E+02 W
d) 1.447E+02 W
e) 1.592E+02 W
3)
The resistances in the figure shown are R1= 2.67 Ω, R2= 1.78 Ω, and R2= 3.63 Ω. V1 and V3 are text 0.448 V and 2.29 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.656 V. What is the absolute value of the current through R1?
a) 9.287E-02 A
b) 1.022E-01 A
c) 1.124E-01 A
d) 1.236E-01 A
e) 1.360E-01 A

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

QB153099154212

1)
Two sources of emf ε1=14.3 V, and ε2=5.6 V are oriented as shownin the circuit. The resistances are R1=5.31 kΩ and R2=2.39 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=1.12 mA and I4=0.284 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
-a) 3.416E+00 V
-b) 3.757E+00 V
-c) 4.133E+00 V
+d) 4.546E+00 V
-e) 5.001E+00 V

2) A given battery has a 13 V emf and an internal resistance of 0.161 Ω. If it is connected to a 0.814 Ω resistor what is the power dissipated by that load?

-a) 1.087E+02 W
-b) 1.196E+02 W
-c) 1.316E+02 W
+d) 1.447E+02 W
-e) 1.592E+02 W
3)
The resistances in the figure shown are R1= 2.67 Ω, R2= 1.78 Ω, and R2= 3.63 Ω. V1 and V3 are text 0.448 V and 2.29 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.656 V. What is the absolute value of the current through R1?
-a) 9.287E-02 A
-b) 1.022E-01 A
-c) 1.124E-01 A
+d) 1.236E-01 A
-e) 1.360E-01 A

### QB:Ch 10:V2

QB153099154212

1) A given battery has a 14 V emf and an internal resistance of 0.0842 Ω. If it is connected to a 0.835 Ω resistor what is the power dissipated by that load?

a) 1.455E+02 W
b) 1.601E+02 W
c) 1.761E+02 W
d) 1.937E+02 W
e) 2.131E+02 W
2)
Two sources of emf ε1=42.2 V, and ε2=17.8 V are oriented as shownin the circuit. The resistances are R1=4.2 kΩ and R2=2.83 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.5 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) 1.056E+01 V
b) 1.161E+01 V
c) 1.277E+01 V
d) 1.405E+01 V
e) 1.545E+01 V
3)
The resistances in the figure shown are R1= 2.54 Ω, R2= 1.15 Ω, and R2= 2.9 Ω. V1 and V3 are text 0.446 V and 3.39 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.744 V. What is the absolute value of the current through R1?
a) 1.285E-01 A
b) 1.414E-01 A
c) 1.555E-01 A
d) 1.711E-01 A
e) 1.882E-01 A

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

QB153099154212

1) A given battery has a 14 V emf and an internal resistance of 0.0842 Ω. If it is connected to a 0.835 Ω resistor what is the power dissipated by that load?

-a) 1.455E+02 W
-b) 1.601E+02 W
-c) 1.761E+02 W
+d) 1.937E+02 W
-e) 2.131E+02 W
2)
Two sources of emf ε1=42.2 V, and ε2=17.8 V are oriented as shownin the circuit. The resistances are R1=4.2 kΩ and R2=2.83 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I3=2.5 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) 1.056E+01 V
-b) 1.161E+01 V
-c) 1.277E+01 V
+d) 1.405E+01 V
-e) 1.545E+01 V
3)
The resistances in the figure shown are R1= 2.54 Ω, R2= 1.15 Ω, and R2= 2.9 Ω. V1 and V3 are text 0.446 V and 3.39 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=−0.744 V. What is the absolute value of the current through R1?
+a) 1.285E-01 A
-b) 1.414E-01 A
-c) 1.555E-01 A
-d) 1.711E-01 A
-e) 1.882E-01 A

### QB:Ch 11:V0

QB153099154212

1) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 9.76 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(6.97 i + 8.52 j  + 9.46 k) x 104 m/s?

a) 2.199E-13 N
b) 2.419E-13 N
c) 2.661E-13 N
d) 2.927E-13 N
e) 3.220E-13 N

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

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

3) A 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

QB153099154212

1) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 9.76 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(6.97 i + 8.52 j  + 9.46 k) x 104 m/s?

-a) 2.199E-13 N
-b) 2.419E-13 N
+c) 2.661E-13 N
-d) 2.927E-13 N
-e) 3.220E-13 N

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

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

3) A 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

QB153099154212

1) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 4.36 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(8.25 i + 7.71 j  + 2.91 k) x 104 m/s?

a) 8.890E-14 N
b) 9.779E-14 N
c) 1.076E-13 N
d) 1.183E-13 N
e) 1.302E-13 N

2) A long rigind wire carries a 5 A current. What is the magnetic force per unit length on the wire if a 0.405 T magnetic field is directed 48° away from the wire?

a) 1.131E+00 N/m
b) 1.244E+00 N/m
c) 1.368E+00 N/m
d) 1.505E+00 N/m
e) 1.655E+00 N/m

3) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 5.85 mT and 3.760E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

a) 4.829E+05 m/s
b) 5.312E+05 m/s
c) 5.843E+05 m/s
d) 6.427E+05 m/s
e) 7.070E+05 m/s

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

QB153099154212

1) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 4.36 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(8.25 i + 7.71 j  + 2.91 k) x 104 m/s?

-a) 8.890E-14 N
-b) 9.779E-14 N
+c) 1.076E-13 N
-d) 1.183E-13 N
-e) 1.302E-13 N

2) A long rigind wire carries a 5 A current. What is the magnetic force per unit length on the wire if a 0.405 T magnetic field is directed 48° away from the wire?

-a) 1.131E+00 N/m
-b) 1.244E+00 N/m
-c) 1.368E+00 N/m
+d) 1.505E+00 N/m
-e) 1.655E+00 N/m

3) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 5.85 mT and 3.760E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

-a) 4.829E+05 m/s
-b) 5.312E+05 m/s
-c) 5.843E+05 m/s
+d) 6.427E+05 m/s
-e) 7.070E+05 m/s

### QB:Ch 11:V2

QB153099154212

1) A long rigind wire carries a 8 A current. What is the magnetic force per unit length on the wire if a 0.578 T magnetic field is directed 38° away from the wire?

a) 2.847E+00 N/m
b) 3.132E+00 N/m
c) 3.445E+00 N/m
d) 3.789E+00 N/m
e) 4.168E+00 N/m

2) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 5.85 mT and 3.760E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

a) 4.829E+05 m/s
b) 5.312E+05 m/s
c) 5.843E+05 m/s
d) 6.427E+05 m/s
e) 7.070E+05 m/s

3) 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

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

QB153099154212

1) A long rigind wire carries a 8 A current. What is the magnetic force per unit length on the wire if a 0.578 T magnetic field is directed 38° away from the wire?

+a) 2.847E+00 N/m
-b) 3.132E+00 N/m
-c) 3.445E+00 N/m
-d) 3.789E+00 N/m
-e) 4.168E+00 N/m

2) An electron beam (m=9.1 x 10−31kg, q=1.6 x 10−19C) enters a crossed-field velocity selector with magnetic and electric fields of 5.85 mT and 3.760E+03 N/C, respectively. What must the velocity of the electron beam be to transverse the crossed fields undeflected ?

-a) 4.829E+05 m/s
-b) 5.312E+05 m/s
-c) 5.843E+05 m/s
+d) 6.427E+05 m/s
-e) 7.070E+05 m/s

3) 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

### QB:Ch 12:V0

QB153099154212

1) Two loops of wire carry the same current of 67 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.847 m while the other has a radius of 1.15 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.408 m from the first (smaller) loopif the disance between the loops is 1.15 m?

a) 4.799E-02 T
b) 5.278E-02 T
c) 5.806E-02 T
d) 6.387E-02 T
e) 7.026E-02 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=2.66 kA, I2=1.25 kA, and I3=2.74 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
a) 1.547E-03 T-m
b) 1.702E-03 T-m
c) 1.872E-03 T-m
d) 2.060E-03 T-m
e) 2.266E-03 T-m

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

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

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

QB153099154212

1) Two loops of wire carry the same current of 67 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.847 m while the other has a radius of 1.15 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.408 m from the first (smaller) loopif the disance between the loops is 1.15 m?

-a) 4.799E-02 T
-b) 5.278E-02 T
+c) 5.806E-02 T
-d) 6.387E-02 T
-e) 7.026E-02 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=2.66 kA, I2=1.25 kA, and I3=2.74 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
-a) 1.547E-03 T-m
-b) 1.702E-03 T-m
+c) 1.872E-03 T-m
-d) 2.060E-03 T-m
-e) 2.266E-03 T-m

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

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

### QB:Ch 12:V1

QB153099154212

1) 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

2) Two loops of wire carry the same current of 20 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.776 m while the other has a radius of 1.2 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.517 m from the first (smaller) loopif the disance between the loops is 1.37 m?

a) 1.127E-02 T
b) 1.240E-02 T
c) 1.364E-02 T
d) 1.500E-02 T
e) 1.650E-02 T
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=2.43 kA, I2=1.81 kA, and I3=3.23 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
a) 1.622E-03 T-m
b) 1.784E-03 T-m
c) 1.963E-03 T-m
d) 2.159E-03 T-m
e) 2.375E-03 T-m

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

QB153099154212

1) 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

2) Two loops of wire carry the same current of 20 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.776 m while the other has a radius of 1.2 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.517 m from the first (smaller) loopif the disance between the loops is 1.37 m?

-a) 1.127E-02 T
-b) 1.240E-02 T
-c) 1.364E-02 T
+d) 1.500E-02 T
-e) 1.650E-02 T
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=2.43 kA, I2=1.81 kA, and I3=3.23 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
-a) 1.622E-03 T-m
+b) 1.784E-03 T-m
-c) 1.963E-03 T-m
-d) 2.159E-03 T-m
-e) 2.375E-03 T-m

### QB:Ch 12:V2

QB153099154212

1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.14 mm from the center of a wire of radius 3 mm if the current is 1A?

a) 2.533E-05 T
b) 2.787E-05 T
c) 3.065E-05 T
d) 3.372E-05 T
e) 3.709E-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=2.66 kA, I2=1.25 kA, and I3=2.74 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
a) 1.547E-03 T-m
b) 1.702E-03 T-m
c) 1.872E-03 T-m
d) 2.060E-03 T-m
e) 2.266E-03 T-m

3) Two loops of wire carry the same current of 24 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.53 m while the other has a radius of 1.38 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.485 m from the first (smaller) loopif the disance between the loops is 1.78 m?

a) 1.294E-02 T
b) 1.424E-02 T
c) 1.566E-02 T
d) 1.723E-02 T
e) 1.895E-02 T

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

QB153099154212

1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.14 mm from the center of a wire of radius 3 mm if the current is 1A?

+a) 2.533E-05 T
-b) 2.787E-05 T
-c) 3.065E-05 T
-d) 3.372E-05 T
-e) 3.709E-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=2.66 kA, I2=1.25 kA, and I3=2.74 kA, take the ${\displaystyle \beta }$ path and evalulate the line integral,
${\displaystyle \oint {\vec {B}}\cdot d{\vec {\ell }}}$:
-a) 1.547E-03 T-m
-b) 1.702E-03 T-m
+c) 1.872E-03 T-m
-d) 2.060E-03 T-m
-e) 2.266E-03 T-m

3) Two loops of wire carry the same current of 24 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.53 m while the other has a radius of 1.38 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.485 m from the first (smaller) loopif the disance between the loops is 1.78 m?

-a) 1.294E-02 T
-b) 1.424E-02 T
+c) 1.566E-02 T
-d) 1.723E-02 T
-e) 1.895E-02 T

### QB:Ch 13:V0

QB153099154212

1)
A cylinder of height 1.68 cm and radius 2.74 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.78 cm from point O and moves at a speed of 3.44 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
a) 8.324E+00 cm3/s
b) 9.157E+00 cm3/s
c) 1.007E+01 cm3/s
d) 1.108E+01 cm3/s
e) 1.219E+01 cm3/s

2) A spatially uniform magnetic points in the z-direction and oscilates with time as ${\displaystyle {\vec {B}}(t)=B_{0}\sin \omega t}$ where ${\displaystyle B_{0}=}$1.71 T and ${\displaystyle \omega =}$4.780E+03 s−1. Suppose the electric field is always zero at point ${\displaystyle {\mathcal {O}}}$, and consider a circle of radius 0.294 m that is centered at that point and oriented in a plane perpendicular to the magnetic field. Evaluate the maximum value of the line integral ${\displaystyle \oint {\vec {B}}\cdot d{\vec {s}}}$ around the circle.

a) 1.510E+04 V
b) 1.661E+04 V
c) 1.827E+04 V
d) 2.010E+04 V
e) 2.211E+04 V

3) 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

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

QB153099154212

1)
A cylinder of height 1.68 cm and radius 2.74 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.78 cm from point O and moves at a speed of 3.44 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
-a) 8.324E+00 cm3/s
-b) 9.157E+00 cm3/s
-c) 1.007E+01 cm3/s
-d) 1.108E+01 cm3/s
+e) 1.219E+01 cm3/s

2) A spatially uniform magnetic points in the z-direction and oscilates with time as ${\displaystyle {\vec {B}}(t)=B_{0}\sin \omega t}$ where ${\displaystyle B_{0}=}$1.71 T and ${\displaystyle \omega =}$4.780E+03 s−1. Suppose the electric field is always zero at point ${\displaystyle {\mathcal {O}}}$, and consider a circle of radius 0.294 m that is centered at that point and oriented in a plane perpendicular to the magnetic field. Evaluate the maximum value of the line integral ${\displaystyle \oint {\vec {B}}\cdot d{\vec {s}}}$ around the circle.

+a) 1.510E+04 V
-b) 1.661E+04 V
-c) 1.827E+04 V
-d) 2.010E+04 V
-e) 2.211E+04 V

3) 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

### QB:Ch 13:V1

QB153099154212

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

2) A spatially uniform magnetic points in the z-direction and oscilates with time as ${\displaystyle {\vec {B}}(t)=B_{0}\sin \omega t}$ where ${\displaystyle B_{0}=}$1.97 T and ${\displaystyle \omega =}$5.410E+03 s−1. Suppose the electric field is always zero at point ${\displaystyle {\mathcal {O}}}$, and consider a circle of radius 0.244 m that is centered at that point and oriented in a plane perpendicular to the magnetic field. Evaluate the maximum value of the line integral ${\displaystyle \oint {\vec {B}}\cdot d{\vec {s}}}$ around the circle.

a) 1.485E+04 V
b) 1.634E+04 V
c) 1.797E+04 V
d) 1.977E+04 V
e) 2.175E+04 V

3) A long solenoid has a radius of 0.447 m and 85 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$7 A and ${\displaystyle \alpha =}$23 s−1.What is the induced electric fied at a distance 0.212 m from the axis at time t=0.0819 s ?

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

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

QB153099154212

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

2) A spatially uniform magnetic points in the z-direction and oscilates with time as ${\displaystyle {\vec {B}}(t)=B_{0}\sin \omega t}$ where ${\displaystyle B_{0}=}$1.97 T and ${\displaystyle \omega =}$5.410E+03 s−1. Suppose the electric field is always zero at point ${\displaystyle {\mathcal {O}}}$, and consider a circle of radius 0.244 m that is centered at that point and oriented in a plane perpendicular to the magnetic field. Evaluate the maximum value of the line integral ${\displaystyle \oint {\vec {B}}\cdot d{\vec {s}}}$ around the circle.

-a) 1.485E+04 V
+b) 1.634E+04 V
-c) 1.797E+04 V
-d) 1.977E+04 V
-e) 2.175E+04 V

3) A long solenoid has a radius of 0.447 m and 85 turns per meter; its current decreases with time according to ${\displaystyle I_{0}e^{-\alpha t}}$, where ${\displaystyle I_{0}=}$7 A and ${\displaystyle \alpha =}$23 s−1.What is the induced electric fied at a distance 0.212 m from the axis at time t=0.0819 s ?

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

### QB:Ch 13:V2

QB153099154212

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 cylinder of height 2.42 cm and radius 6.94 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 2.59 cm from point O and moves at a speed of 4.87 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
a) 9.962E+01 cm3/s
b) 1.096E+02 cm3/s
c) 1.205E+02 cm3/s
d) 1.326E+02 cm3/s
e) 1.459E+02 cm3/s

3) A spatially uniform magnetic points in the z-direction and oscilates with time as ${\displaystyle {\vec {B}}(t)=B_{0}\sin \omega t}$ where ${\displaystyle B_{0}=}$3.54 T and ${\displaystyle \omega =}$1.860E+03 s−1. Suppose the electric field is always zero at point ${\displaystyle {\mathcal {O}}}$, and consider a circle of radius 0.642 m that is centered at that point and oriented in a plane perpendicular to the magnetic field. Evaluate the maximum value of the line integral ${\displaystyle \oint {\vec {B}}\cdot d{\vec {s}}}$ around the circle.

a) 2.415E+04 V
b) 2.656E+04 V
c) 2.922E+04 V
d) 3.214E+04 V
e) 3.535E+04 V

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

QB153099154212

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 cylinder of height 2.42 cm and radius 6.94 cm is cut into a wedge as shown. Now imagine that the volume grows as θ increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 2.59 cm from point O and moves at a speed of 4.87 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.)
--(Answer & Why this question is different.)
-a) 9.962E+01 cm3/s
+b) 1.096E+02 cm3/s
-c) 1.205E+02 cm3/s
-d) 1.326E+02 cm3/s
-e) 1.459E+02 cm3/s

3) A spatially uniform magnetic points in the z-direction and oscilates with time as ${\displaystyle {\vec {B}}(t)=B_{0}\sin \omega t}$ where ${\displaystyle B_{0}=}$3.54 T and ${\displaystyle \omega =}$1.860E+03 s−1. Suppose the electric field is always zero at point ${\displaystyle {\mathcal {O}}}$, and consider a circle of radius 0.642 m that is centered at that point and oriented in a plane perpendicular to the magnetic field. Evaluate the maximum value of the line integral ${\displaystyle \oint {\vec {B}}\cdot d{\vec {s}}}$ around the circle.

-a) 2.415E+04 V
+b) 2.656E+04 V
-c) 2.922E+04 V
-d) 3.214E+04 V
-e) 3.535E+04 V

### QB:Ch 14:V0

QB153099154212

1) An induced emf of 1.86V is measured across a coil of 59 closely wound turns while the current throuth it increases uniformly from 0.0 to 2.58A in 0.89s. What is the self-inductance of the coil?

a) 4.821E-01 H
b) 5.303E-01 H
c) 5.833E-01 H
d) 6.416E-01 H
e) 7.058E-01 H
2)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =5.9 s if ε = 7.85 V , R = 6.89 Ω, and L = 7.36 H?
a) 6.567E-01 V
b) 7.880E-01 V
c) 9.456E-01 V
d) 1.135E+00 V
e) 1.362E+00 V

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

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

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

QB153099154212

1) An induced emf of 1.86V is measured across a coil of 59 closely wound turns while the current throuth it increases uniformly from 0.0 to 2.58A in 0.89s. What is the self-inductance of the coil?

-a) 4.821E-01 H
-b) 5.303E-01 H
-c) 5.833E-01 H
+d) 6.416E-01 H
-e) 7.058E-01 H
2)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =5.9 s if ε = 7.85 V , R = 6.89 Ω, and L = 7.36 H?
-a) 6.567E-01 V
-b) 7.880E-01 V
-c) 9.456E-01 V
+d) 1.135E+00 V
-e) 1.362E+00 V

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

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

### QB:Ch 14:V1

QB153099154212

1) An induced emf of 5.08V is measured across a coil of 78 closely wound turns while the current throuth it increases uniformly from 0.0 to 5.07A in 0.681s. What is the self-inductance of the coil?

a) 4.660E-01 H
b) 5.127E-01 H
c) 5.639E-01 H
d) 6.203E-01 H
e) 6.823E-01 H
2)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =6.01 s if ε = 5.75 V , R = 5.73 Ω, and L = 7.46 H?
a) 9.936E-01 V
b) 1.192E+00 V
c) 1.431E+00 V
d) 1.717E+00 V
e) 2.060E+00 V

3) A washer has an inner diameter of 2.75 cm and an outer diamter of 4.87 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.39mm}$, and ${\displaystyle n=2.55}$. What is the volume of the washer?

a) 7.754E-01 cm3
b) 8.530E-01 cm3
c) 9.383E-01 cm3
d) 1.032E+00 cm3
e) 1.135E+00 cm3

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

QB153099154212

1) An induced emf of 5.08V is measured across a coil of 78 closely wound turns while the current throuth it increases uniformly from 0.0 to 5.07A in 0.681s. What is the self-inductance of the coil?

-a) 4.660E-01 H
-b) 5.127E-01 H
-c) 5.639E-01 H
-d) 6.203E-01 H
+e) 6.823E-01 H
2)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =6.01 s if ε = 5.75 V , R = 5.73 Ω, and L = 7.46 H?
+a) 9.936E-01 V
-b) 1.192E+00 V
-c) 1.431E+00 V
-d) 1.717E+00 V
-e) 2.060E+00 V

3) A washer has an inner diameter of 2.75 cm and an outer diamter of 4.87 cm. The thickness is ${\displaystyle h=Cr^{-n}}$ where ${\displaystyle r}$ is measured in cm, ${\displaystyle C=4.39mm}$, and ${\displaystyle n=2.55}$. What is the volume of the washer?

-a) 7.754E-01 cm3
-b) 8.530E-01 cm3
-c) 9.383E-01 cm3
-d) 1.032E+00 cm3
+e) 1.135E+00 cm3

### QB:Ch 14:V2

QB153099154212

1)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =1.95 s if ε = 8.33 V , R = 6.96 Ω, and L = 2.66 H?
a) 5.736E-01 V
b) 6.884E-01 V
c) 8.260E-01 V
d) 9.912E-01 V
e) 1.189E+00 V

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

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

3) A washer has an inner diameter of 2.42 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

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

QB153099154212

1)
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =1.95 s if ε = 8.33 V , R = 6.96 Ω, and L = 2.66 H?
-a) 5.736E-01 V
-b) 6.884E-01 V
-c) 8.260E-01 V
-d) 9.912E-01 V
+e) 1.189E+00 V

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

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

3) A washer has an inner diameter of 2.42 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

### QB:Ch 15:V0

QB153099154212

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

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

2) 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=6 V. The resistance, inductance, and capacitance are R =0.27 Ω, L= 4.20E-03H , and C=3.70E-06 F, respectively.

a) Q = 7.135E+01
b) Q = 8.205E+01
c) Q = 9.435E+01
d) Q = 1.085E+02
e) Q = 1.248E+02

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.64 V. The resistance, inductance, and capacitance are R =2 Ω, L= 4.00E-03H , and C=8.30E-04 F, respectively. What is the amplitude of the current?

a) 3.200E-01 A
b) 3.520E-01 A
c) 3.872E-01 A
d) 4.259E-01 A
e) 4.685E-01 A

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

QB153099154212

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

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

2) 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=6 V. The resistance, inductance, and capacitance are R =0.27 Ω, L= 4.20E-03H , and C=3.70E-06 F, respectively.

-a) Q = 7.135E+01
-b) Q = 8.205E+01
-c) Q = 9.435E+01
-d) Q = 1.085E+02
+e) Q = 1.248E+02

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.64 V. The resistance, inductance, and capacitance are R =2 Ω, L= 4.00E-03H , and C=8.30E-04 F, respectively. What is the amplitude of the current?

+a) 3.200E-01 A
-b) 3.520E-01 A
-c) 3.872E-01 A
-d) 4.259E-01 A
-e) 4.685E-01 A

### QB:Ch 15:V1

QB153099154212

1) An ac generator produces an emf of amplitude 5 V at a frequency of 52 Hz. What is the maximum amplitude of the current if the generator is connected to a 49 mF inductor?

a) 2.839E-01 A
b) 3.123E-01 A
c) 3.435E-01 A
d) 3.779E-01 A
e) 4.157E-01 A

2) 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=5 V. The resistance, inductance, and capacitance are R =0.17 Ω, L= 4.40E-03H , and C=3.40E-06 F, respectively.

a) Q = 1.391E+02
b) Q = 1.600E+02
c) Q = 1.840E+02
d) Q = 2.116E+02
e) Q = 2.434E+02

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

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

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

QB153099154212

1) An ac generator produces an emf of amplitude 5 V at a frequency of 52 Hz. What is the maximum amplitude of the current if the generator is connected to a 49 mF inductor?

-a) 2.839E-01 A
+b) 3.123E-01 A
-c) 3.435E-01 A
-d) 3.779E-01 A
-e) 4.157E-01 A

2) 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=5 V. The resistance, inductance, and capacitance are R =0.17 Ω, L= 4.40E-03H , and C=3.40E-06 F, respectively.

-a) Q = 1.391E+02
-b) Q = 1.600E+02
-c) Q = 1.840E+02
+d) Q = 2.116E+02
-e) Q = 2.434E+02

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

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

### QB:Ch 15:V2

QB153099154212

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=6 V. The resistance, inductance, and capacitance are R =0.3 Ω, L= 5.90E-03H , and C=3.80E-06 F, respectively.

a) Q = 7.510E+01
b) Q = 8.636E+01
c) Q = 9.932E+01
d) Q = 1.142E+02
e) Q = 1.313E+02

2) An ac generator produces an emf of amplitude 60 V at a frequency of 130 Hz. What is the maximum amplitude of the current if the generator is connected to a 85 mF inductor?

a) 7.856E-01 A
b) 8.642E-01 A
c) 9.506E-01 A
d) 1.046E+00 A
e) 1.150E+00 A

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

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

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

QB153099154212

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=6 V. The resistance, inductance, and capacitance are R =0.3 Ω, L= 5.90E-03H , and C=3.80E-06 F, respectively.

-a) Q = 7.510E+01
-b) Q = 8.636E+01
-c) Q = 9.932E+01
-d) Q = 1.142E+02
+e) Q = 1.313E+02

2) An ac generator produces an emf of amplitude 60 V at a frequency of 130 Hz. What is the maximum amplitude of the current if the generator is connected to a 85 mF inductor?

-a) 7.856E-01 A
+b) 8.642E-01 A
-c) 9.506E-01 A
-d) 1.046E+00 A
-e) 1.150E+00 A

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

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

### QB:Ch 16:V0

QB153099154212

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 88 kW?

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

2) What is the radiation pressure on an object that is 5.50E+11 m away from the sun and has cross-sectional area of 0.051 m2? The average power output of the Sun is 3.80E+26 W.

a) 4.555E-07 N/m2
b) 5.010E-07 N/m2
c) 5.511E-07 N/m2
d) 6.063E-07 N/m2
e) 6.669E-07 N/m2
3)
A parallel plate capacitor with a capicatnce C=7.40E-06 F whose plates have an area A=7.20E+03 m2 and separation d=8.60E-03 m is connected via a swith to a 14 Ω resistor and a battery of voltage V0=16 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=1.50E-04?
a) 9.195E+00 V
b) 1.011E+01 V
c) 1.113E+01 V
d) 1.224E+01 V
e) 1.346E+01 V

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

QB153099154212

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 88 kW?

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

2) What is the radiation pressure on an object that is 5.50E+11 m away from the sun and has cross-sectional area of 0.051 m2? The average power output of the Sun is 3.80E+26 W.

-a) 4.555E-07 N/m2
-b) 5.010E-07 N/m2
-c) 5.511E-07 N/m2
-d) 6.063E-07 N/m2
+e) 6.669E-07 N/m2
3)
A parallel plate capacitor with a capicatnce C=7.40E-06 F whose plates have an area A=7.20E+03 m2 and separation d=8.60E-03 m is connected via a swith to a 14 Ω resistor and a battery of voltage V0=16 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=1.50E-04?
-a) 9.195E+00 V
-b) 1.011E+01 V
-c) 1.113E+01 V
+d) 1.224E+01 V
-e) 1.346E+01 V

### QB:Ch 16:V1

QB153099154212

1) What is the radiation pressure on an object that is 9.70E+11 m away from the sun and has cross-sectional area of 0.076 m2? The average power output of the Sun is 3.80E+26 W.

a) 1.611E-07 N/m2
b) 1.772E-07 N/m2
c) 1.949E-07 N/m2
d) 2.144E-07 N/m2
e) 2.358E-07 N/m2
2)
A parallel plate capacitor with a capicatnce C=7.40E-06 F whose plates have an area A=7.20E+03 m2 and separation d=8.60E-03 m is connected via a swith to a 14 Ω resistor and a battery of voltage V0=16 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=1.50E-04?
a) 9.195E+00 V
b) 1.011E+01 V
c) 1.113E+01 V
d) 1.224E+01 V
e) 1.346E+01 V

3) A 46 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 78 kW?

a) 1.563E+02 km
b) 1.719E+02 km
c) 1.891E+02 km
d) 2.080E+02 km
e) 2.288E+02 km

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

QB153099154212

1) What is the radiation pressure on an object that is 9.70E+11 m away from the sun and has cross-sectional area of 0.076 m2? The average power output of the Sun is 3.80E+26 W.

-a) 1.611E-07 N/m2
-b) 1.772E-07 N/m2
-c) 1.949E-07 N/m2
+d) 2.144E-07 N/m2
-e) 2.358E-07 N/m2
2)
A parallel plate capacitor with a capicatnce C=7.40E-06 F whose plates have an area A=7.20E+03 m2 and separation d=8.60E-03 m is connected via a swith to a 14 Ω resistor and a battery of voltage V0=16 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=1.50E-04?
-a) 9.195E+00 V
-b) 1.011E+01 V
-c) 1.113E+01 V
+d) 1.224E+01 V
-e) 1.346E+01 V

3) A 46 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 78 kW?

+a) 1.563E+02 km
-b) 1.719E+02 km
-c) 1.891E+02 km
-d) 2.080E+02 km
-e) 2.288E+02 km

### QB:Ch 16:V2

QB153099154212

1) A 48 kW radio transmitter on Earth sends it signal to a satellite 150 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 96 kW?

a) 1.753E+02 km
b) 1.928E+02 km
c) 2.121E+02 km
d) 2.333E+02 km
e) 2.567E+02 km
2)
A parallel plate capacitor with a capicatnce C=8.30E-06 F whose plates have an area A=7.00E+03 m2 and separation d=7.50E-03 m is connected via a swith to a 51 Ω resistor and a battery of voltage V0=81 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=1.20E-03?
a) 5.728E+01 V
b) 6.301E+01 V
c) 6.931E+01 V
d) 7.624E+01 V
e) 8.387E+01 V

3) 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

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

QB153099154212

1) A 48 kW radio transmitter on Earth sends it signal to a satellite 150 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 96 kW?

-a) 1.753E+02 km
-b) 1.928E+02 km
+c) 2.121E+02 km
-d) 2.333E+02 km
-e) 2.567E+02 km
2)
A parallel plate capacitor with a capicatnce C=8.30E-06 F whose plates have an area A=7.00E+03 m2 and separation d=7.50E-03 m is connected via a swith to a 51 Ω resistor and a battery of voltage V0=81 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=1.20E-03?
-a) 5.728E+01 V
-b) 6.301E+01 V
-c) 6.931E+01 V
+d) 7.624E+01 V
-e) 8.387E+01 V

3) 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