Quizbank/Electricity and Magnetism (calculus based)/QB153099154237

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QB153099154237

QB:Ch 5:V0[edit]

QB153099154237

1)
Quizbank question loop field on axis.svg
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=1.1 m (on axis) away from the loop's center?
a) 8.336E+09 N/C2
b) 9.170E+09 N/C2
c) 1.009E+10 N/C2
d) 1.110E+10 N/C2
e) 1.220E+10 N/C2

2)  
is an integral that calculates the magnitude of the electric field at a distance fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is and the surface charge density is . Evaluate at .

a) 6.877E+00 V/m2
b) 7.565E+00 V/m2
c) 8.321E+00 V/m2
d) 9.153E+00 V/m2
e) 1.007E+01 V/m2
3)
Three charges at corners of rectangle.svg
Three small charged objects are placed as shown, where , and . What is the magnitude of the net force on if , , and ?
a) 5.732E-15 N
b) 6.305E-15 N
c) 6.936E-15 N
d) 7.629E-15 N
e) 8.392E-15 N

KEY:QB:Ch 5:V0[edit]

QB153099154237

1)
Quizbank question loop field on axis.svg
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=1.1 m (on axis) away from the loop's center?
+a) 8.336E+09 N/C2
-b) 9.170E+09 N/C2
-c) 1.009E+10 N/C2
-d) 1.110E+10 N/C2
-e) 1.220E+10 N/C2

2)  
is an integral that calculates the magnitude of the electric field at a distance fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is and the surface charge density is . Evaluate at .

-a) 6.877E+00 V/m2
-b) 7.565E+00 V/m2
+c) 8.321E+00 V/m2
-d) 9.153E+00 V/m2
-e) 1.007E+01 V/m2
3)
Three charges at corners of rectangle.svg
Three small charged objects are placed as shown, where , and . What is the magnitude of the net force on if , , and ?
+a) 5.732E-15 N
-b) 6.305E-15 N
-c) 6.936E-15 N
-d) 7.629E-15 N
-e) 8.392E-15 N

QB:Ch 5:V1[edit]

QB153099154237

1)
Quizbank question loop field on axis.svg
A ring is uniformly charged with a net charge of 2 nC. The radius of the ring is R=1.5 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=0.33 m (on axis) away from the loop's center?
a) 1.353E+09 N/C2
b) 1.488E+09 N/C2
c) 1.637E+09 N/C2
d) 1.801E+09 N/C2
e) 1.981E+09 N/C2
2)
Three charges at corners of rectangle.svg
Three small charged objects are placed as shown, where , and . What is the magnitude of the net force on if , , and ?
a) 1.028E-14 N
b) 1.130E-14 N
c) 1.244E-14 N
d) 1.368E-14 N
e) 1.505E-14 N

3)  
is an integral that calculates the magnitude of the electric field at a distance fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is and the surface charge density is . Evaluate at .

a) 7.820E-01 V/m2
b) 8.602E-01 V/m2
c) 9.462E-01 V/m2
d) 1.041E+00 V/m2
e) 1.145E+00 V/m2

KEY:QB:Ch 5:V1[edit]

QB153099154237

1)
Quizbank question loop field on axis.svg
A ring is uniformly charged with a net charge of 2 nC. The radius of the ring is R=1.5 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=0.33 m (on axis) away from the loop's center?
-a) 1.353E+09 N/C2
-b) 1.488E+09 N/C2
+c) 1.637E+09 N/C2
-d) 1.801E+09 N/C2
-e) 1.981E+09 N/C2
2)
Three charges at corners of rectangle.svg
Three small charged objects are placed as shown, where , and . What is the magnitude of the net force on if , , and ?
-a) 1.028E-14 N
-b) 1.130E-14 N
-c) 1.244E-14 N
-d) 1.368E-14 N
+e) 1.505E-14 N

3)  
is an integral that calculates the magnitude of the electric field at a distance fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is and the surface charge density is . Evaluate at .

-a) 7.820E-01 V/m2
+b) 8.602E-01 V/m2
-c) 9.462E-01 V/m2
-d) 1.041E+00 V/m2
-e) 1.145E+00 V/m2

QB:Ch 5:V2[edit]

QB153099154237

1)
Three charges at corners of rectangle.svg
Three small charged objects are placed as shown, where , and . What is the magnitude of the net force on if , , and ?
a) 3.391E-14 N
b) 3.731E-14 N
c) 4.104E-14 N
d) 4.514E-14 N
e) 4.965E-14 N
2)
Quizbank question loop field on axis.svg
A ring is uniformly charged with a net charge of 7 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=0.34 m (on axis) away from the loop's center?
a) 3.672E+09 N/C2
b) 4.039E+09 N/C2
c) 4.443E+09 N/C2
d) 4.887E+09 N/C2
e) 5.376E+09 N/C2

3)  
is an integral that calculates the magnitude of the electric field at a distance fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is and the surface charge density is . Evaluate at .

a) 1.022E+00 V/m2
b) 1.125E+00 V/m2
c) 1.237E+00 V/m2
d) 1.361E+00 V/m2
e) 1.497E+00 V/m2

KEY:QB:Ch 5:V2[edit]

QB153099154237

1)
Three charges at corners of rectangle.svg
Three small charged objects are placed as shown, where , and . What is the magnitude of the net force on if , , and ?
-a) 3.391E-14 N
-b) 3.731E-14 N
-c) 4.104E-14 N
+d) 4.514E-14 N
-e) 4.965E-14 N
2)
Quizbank question loop field on axis.svg
A ring is uniformly charged with a net charge of 7 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=0.34 m (on axis) away from the loop's center?
-a) 3.672E+09 N/C2
-b) 4.039E+09 N/C2
-c) 4.443E+09 N/C2
+d) 4.887E+09 N/C2
-e) 5.376E+09 N/C2

3)  
is an integral that calculates the magnitude of the electric field at a distance fromthe center of a thin circular disk as measured along a line normal to the plane of the disk. The disk's radius is and the surface charge density is . Evaluate at .

+a) 1.022E+00 V/m2
-b) 1.125E+00 V/m2
-c) 1.237E+00 V/m2
-d) 1.361E+00 V/m2
-e) 1.497E+00 V/m2

QB:Ch 6:V0[edit]

QB153099154237

1)
Box in 2D xyz aligned.svg
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=1.3 m. The other four surfaces are rectangles in y=y0=1.5 m, y=y1=5.8 m, z=z0=1.7 m, and z=z1=5.8 m. The surfaces in the yz plane each have area 18.0m2. Those in the xy plane have area 5.6m2 ,and those in the zx plane have area 5.3m2. An electric field of magnitude 11 N/C has components in the y and z directions and is directed at 40° 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) 3.712E+01 N·m2/C
b) 4.083E+01 N·m2/C
c) 4.491E+01 N·m2/C
d) 4.940E+01 N·m2/C
e) 5.434E+01 N·m2/C
2)
Box in 2D xyz aligned.svg
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.3 m. The other four surfaces are rectangles in y=y0=1.5 m, y=y1=5.2 m, z=z0=1.8 m, and z=z1=4.4 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 8.5m2 ,and those in the zx plane have area 6.0m2. An electric field has the xyz components (0, 8.7, 8.4) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 4.730E+01 N·m2/C
b) 5.203E+01 N·m2/C
c) 5.723E+01 N·m2/C
d) 6.295E+01 N·m2/C
e) 6.925E+01 N·m2/C

3) A non-conducting sphere of radius R=3.8 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.7 (r≤R) where a=3 nC·m-1.3. What is the magnitude of the electric field at a distance of 3.1 m from the center?

a) 1.390E+03 N/C
b) 1.530E+03 N/C
c) 1.682E+03 N/C
d) 1.851E+03 N/C
e) 2.036E+03 N/C

KEY:QB:Ch 6:V0[edit]

QB153099154237

1)
Box in 2D xyz aligned.svg
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=1.3 m. The other four surfaces are rectangles in y=y0=1.5 m, y=y1=5.8 m, z=z0=1.7 m, and z=z1=5.8 m. The surfaces in the yz plane each have area 18.0m2. Those in the xy plane have area 5.6m2 ,and those in the zx plane have area 5.3m2. An electric field of magnitude 11 N/C has components in the y and z directions and is directed at 40° 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) 3.712E+01 N·m2/C
-b) 4.083E+01 N·m2/C
+c) 4.491E+01 N·m2/C
-d) 4.940E+01 N·m2/C
-e) 5.434E+01 N·m2/C
2)
Box in 2D xyz aligned.svg
Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.3 m. The other four surfaces are rectangles in y=y0=1.5 m, y=y1=5.2 m, z=z0=1.8 m, and z=z1=4.4 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 8.5m2 ,and those in the zx plane have area 6.0m2. An electric field has the xyz components (0, 8.7, 8.4) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 4.730E+01 N·m2/C
+b) 5.203E+01 N·m2/C
-c) 5.723E+01 N·m2/C
-d) 6.295E+01 N·m2/C
-e) 6.925E+01 N·m2/C

3) A non-conducting sphere of radius R=3.8 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.7 (r≤R) where a=3 nC·m-1.3. What is the magnitude of the electric field at a distance of 3.1 m from the center?

-a) 1.390E+03 N/C
+b) 1.530E+03 N/C
-c) 1.682E+03 N/C
-d) 1.851E+03 N/C
-e) 2.036E+03 N/C

QB:Ch 6:V1[edit]

QB153099154237

1)
Box in 2D xyz aligned.svg
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
2)
Box in 2D xyz aligned.svg
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=1.8 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=5.0 m, z=z0=1.6 m, and z=z1=5.9 m. The surfaces in the yz plane each have area 15.0m2. Those in the xy plane have area 6.5m2 ,and those in the zx plane have area 7.7m2. An electric field has the xyz components (0, 8.0, 9.4) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 6.192E+01 N·m2/C
b) 6.811E+01 N·m2/C
c) 7.492E+01 N·m2/C
d) 8.242E+01 N·m2/C
e) 9.066E+01 N·m2/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:V1[edit]

QB153099154237

1)
Box in 2D xyz aligned.svg
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
2)
Box in 2D xyz aligned.svg
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=1.8 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=5.0 m, z=z0=1.6 m, and z=z1=5.9 m. The surfaces in the yz plane each have area 15.0m2. Those in the xy plane have area 6.5m2 ,and those in the zx plane have area 7.7m2. An electric field has the xyz components (0, 8.0, 9.4) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
+a) 6.192E+01 N·m2/C
-b) 6.811E+01 N·m2/C
-c) 7.492E+01 N·m2/C
-d) 8.242E+01 N·m2/C
-e) 9.066E+01 N·m2/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 6:V2[edit]

QB153099154237

1) A non-conducting sphere of radius R=3.3 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.4 (r≤R) where a=2 nC·m-1.6. What is the magnitude of the electric field at a distance of 1.5 m from the center?

a) 1.123E+02 N/C
b) 1.235E+02 N/C
c) 1.358E+02 N/C
d) 1.494E+02 N/C
e) 1.644E+02 N/C
2)
Box in 2D xyz aligned.svg
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=2.5 m. The other four surfaces are rectangles in y=y0=1.3 m, y=y1=5.3 m, z=z0=1.3 m, and z=z1=4.3 m. The surfaces in the yz plane each have area 12.0m2. Those in the xy plane have area 10.0m2 ,and those in the zx plane have area 7.5m2. An electric field has the xyz components (0, 9.7, 9.3) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
a) 6.614E+01 N·m2/C
b) 7.275E+01 N·m2/C
c) 8.003E+01 N·m2/C
d) 8.803E+01 N·m2/C
e) 9.683E+01 N·m2/C
3)
Box in 2D xyz aligned.svg
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=1.8 m. The other four surfaces are rectangles in y=y0=1.1 m, y=y1=4.9 m, z=z0=1.3 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 6.8m2 ,and those in the zx plane have area 7.7m2. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 57° 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) 6.898E+01 N·m2/C
b) 7.588E+01 N·m2/C
c) 8.347E+01 N·m2/C
d) 9.181E+01 N·m2/C
e) 1.010E+02 N·m2/C

KEY:QB:Ch 6:V2[edit]

QB153099154237

1) A non-conducting sphere of radius R=3.3 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.4 (r≤R) where a=2 nC·m-1.6. What is the magnitude of the electric field at a distance of 1.5 m from the center?

-a) 1.123E+02 N/C
-b) 1.235E+02 N/C
+c) 1.358E+02 N/C
-d) 1.494E+02 N/C
-e) 1.644E+02 N/C
2)
Box in 2D xyz aligned.svg
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=2.5 m. The other four surfaces are rectangles in y=y0=1.3 m, y=y1=5.3 m, z=z0=1.3 m, and z=z1=4.3 m. The surfaces in the yz plane each have area 12.0m2. Those in the xy plane have area 10.0m2 ,and those in the zx plane have area 7.5m2. An electric field has the xyz components (0, 9.7, 9.3) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
-a) 6.614E+01 N·m2/C
+b) 7.275E+01 N·m2/C
-c) 8.003E+01 N·m2/C
-d) 8.803E+01 N·m2/C
-e) 9.683E+01 N·m2/C
3)
Box in 2D xyz aligned.svg
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=1.8 m. The other four surfaces are rectangles in y=y0=1.1 m, y=y1=4.9 m, z=z0=1.3 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 6.8m2 ,and those in the zx plane have area 7.7m2. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 57° 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) 6.898E+01 N·m2/C
+b) 7.588E+01 N·m2/C
-c) 8.347E+01 N·m2/C
-d) 9.181E+01 N·m2/C
-e) 1.010E+02 N·m2/C

QB:Ch 7:V0[edit]

QB153099154237

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

a) 6.565E-01 mm
b) 7.550E-01 mm
c) 8.683E-01 mm
d) 9.985E-01 mm
e) 1.148E+00 mm
2)
Bandgenerator cropped.svg
A Van de Graff generator has a 140 cm diameter metal sphere that produces 244 kV near its surface. What is the excess charge on the sphere?
a) 1.900E+01 μC
b) 2.090E+01 μC
c) 2.299E+01 μC
d) 2.529E+01 μC
e) 2.782E+01 μC

3) When a 8.6 V battery operates a 2.76 W bulb, how many electrons pass through it each second?

a) 1.655E+18 electrons
b) 1.821E+18 electrons
c) 2.003E+18 electrons
d) 2.203E+18 electrons
e) 2.424E+18 electrons

KEY:QB:Ch 7:V0[edit]

QB153099154237

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

-a) 6.565E-01 mm
-b) 7.550E-01 mm
-c) 8.683E-01 mm
+d) 9.985E-01 mm
-e) 1.148E+00 mm
2)
Bandgenerator cropped.svg
A Van de Graff generator has a 140 cm diameter metal sphere that produces 244 kV near its surface. What is the excess charge on the sphere?
+a) 1.900E+01 μC
-b) 2.090E+01 μC
-c) 2.299E+01 μC
-d) 2.529E+01 μC
-e) 2.782E+01 μC

3) When a 8.6 V battery operates a 2.76 W bulb, how many electrons pass through it each second?

-a) 1.655E+18 electrons
-b) 1.821E+18 electrons
+c) 2.003E+18 electrons
-d) 2.203E+18 electrons
-e) 2.424E+18 electrons

QB:Ch 7:V1[edit]

QB153099154237

1) Two large parallel conducting plates are separated by 9.87 mm. Equal and opposite surface charges of 7.610E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 66 V?

a) 4.391E-01 mm
b) 5.049E-01 mm
c) 5.806E-01 mm
d) 6.677E-01 mm
e) 7.679E-01 mm

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

a) 1.873E+18 electrons
b) 2.061E+18 electrons
c) 2.267E+18 electrons
d) 2.494E+18 electrons
e) 2.743E+18 electrons
3)
Bandgenerator cropped.svg
A Van de Graff generator has a 126 cm diameter metal sphere that produces 290 kV near its surface. What is the excess charge on the sphere?
a) 1.388E+01 μC
b) 1.527E+01 μC
c) 1.680E+01 μC
d) 1.848E+01 μC
e) 2.033E+01 μC

KEY:QB:Ch 7:V1[edit]

QB153099154237

1) Two large parallel conducting plates are separated by 9.87 mm. Equal and opposite surface charges of 7.610E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 66 V?

-a) 4.391E-01 mm
-b) 5.049E-01 mm
-c) 5.806E-01 mm
-d) 6.677E-01 mm
+e) 7.679E-01 mm

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

-a) 1.873E+18 electrons
-b) 2.061E+18 electrons
-c) 2.267E+18 electrons
-d) 2.494E+18 electrons
+e) 2.743E+18 electrons
3)
Bandgenerator cropped.svg
A Van de Graff generator has a 126 cm diameter metal sphere that produces 290 kV near its surface. What is the excess charge on the sphere?
-a) 1.388E+01 μC
-b) 1.527E+01 μC
-c) 1.680E+01 μC
-d) 1.848E+01 μC
+e) 2.033E+01 μC

QB:Ch 7:V2[edit]

QB153099154237

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

a) 1.439E+18 electrons
b) 1.582E+18 electrons
c) 1.741E+18 electrons
d) 1.915E+18 electrons
e) 2.106E+18 electrons

2) Two large parallel conducting plates are separated by 7.14 mm. Equal and opposite surface charges of 7.660E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 61 V?

a) 4.031E-01 mm
b) 4.636E-01 mm
c) 5.332E-01 mm
d) 6.131E-01 mm
e) 7.051E-01 mm
3)
Bandgenerator cropped.svg
A Van de Graff generator has a 129 cm diameter metal sphere that produces 174 kV near its surface. What is the excess charge on the sphere?
a) 1.032E+01 μC
b) 1.135E+01 μC
c) 1.249E+01 μC
d) 1.374E+01 μC
e) 1.511E+01 μC

KEY:QB:Ch 7:V2[edit]

QB153099154237

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

-a) 1.439E+18 electrons
+b) 1.582E+18 electrons
-c) 1.741E+18 electrons
-d) 1.915E+18 electrons
-e) 2.106E+18 electrons

2) Two large parallel conducting plates are separated by 7.14 mm. Equal and opposite surface charges of 7.660E-07 C/m2 exist on the surfaces between the plates. What is the distance between equipotential planes which differ by 61 V?

-a) 4.031E-01 mm
-b) 4.636E-01 mm
-c) 5.332E-01 mm
-d) 6.131E-01 mm
+e) 7.051E-01 mm
3)
Bandgenerator cropped.svg
A Van de Graff generator has a 129 cm diameter metal sphere that produces 174 kV near its surface. What is the excess charge on the sphere?
-a) 1.032E+01 μC
-b) 1.135E+01 μC
+c) 1.249E+01 μC
-d) 1.374E+01 μC
-e) 1.511E+01 μC

QB:Ch 8:V0[edit]

QB153099154237

1)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=18.0 μF, C2=2.88 μF, and C3=5.34 μF. The voltage source provides ε=11.9 V. What is the charge on C1?
a) 5.045E+01 μC
b) 5.550E+01 μC
c) 6.105E+01 μC
d) 6.715E+01 μC
e) 7.387E+01 μC

2) An empty parallel-plate capacitor with metal plates has an area of 2.78 m2, separated by 1.16 mm. How much charge does it store if the voltage is 8.980E+03 V?

a) 1.432E+02 μC
b) 1.575E+02 μC
c) 1.732E+02 μC
d) 1.906E+02 μC
e) 2.096E+02 μC
3)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=18.2 μF, C2=2.44 μF, and C3=5.0 μF. The voltage source provides ε=7.78 V. What is the energy stored in C2?
a) 1.225E+01 μJ
b) 1.347E+01 μJ
c) 1.482E+01 μJ
d) 1.630E+01 μJ
e) 1.793E+01 μJ

KEY:QB:Ch 8:V0[edit]

QB153099154237

1)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=18.0 μF, C2=2.88 μF, and C3=5.34 μF. The voltage source provides ε=11.9 V. What is the charge on C1?
-a) 5.045E+01 μC
-b) 5.550E+01 μC
-c) 6.105E+01 μC
+d) 6.715E+01 μC
-e) 7.387E+01 μC

2) An empty parallel-plate capacitor with metal plates has an area of 2.78 m2, separated by 1.16 mm. How much charge does it store if the voltage is 8.980E+03 V?

-a) 1.432E+02 μC
-b) 1.575E+02 μC
-c) 1.732E+02 μC
+d) 1.906E+02 μC
-e) 2.096E+02 μC
3)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=18.2 μF, C2=2.44 μF, and C3=5.0 μF. The voltage source provides ε=7.78 V. What is the energy stored in C2?
-a) 1.225E+01 μJ
+b) 1.347E+01 μJ
-c) 1.482E+01 μJ
-d) 1.630E+01 μJ
-e) 1.793E+01 μJ

QB:Ch 8:V1[edit]

QB153099154237

1)
DC circuit 3 cappies1 voltage source.svg
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

2) An empty parallel-plate capacitor with metal plates has an area of 2.59 m2, separated by 1.23 mm. How much charge does it store if the voltage is 2.200E+03 V?

a) 3.082E+01 μC
b) 3.390E+01 μC
c) 3.729E+01 μC
d) 4.102E+01 μC
e) 4.512E+01 μC
3)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=17.7 μF, C2=2.5 μF, and C3=5.0 μF. The voltage source provides ε=12.8 V. What is the charge on C1?
a) 5.066E+01 μC
b) 5.573E+01 μC
c) 6.130E+01 μC
d) 6.743E+01 μC
e) 7.417E+01 μC

KEY:QB:Ch 8:V1[edit]

QB153099154237

1)
DC circuit 3 cappies1 voltage source.svg
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

2) An empty parallel-plate capacitor with metal plates has an area of 2.59 m2, separated by 1.23 mm. How much charge does it store if the voltage is 2.200E+03 V?

-a) 3.082E+01 μC
-b) 3.390E+01 μC
-c) 3.729E+01 μC
+d) 4.102E+01 μC
-e) 4.512E+01 μC
3)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=17.7 μF, C2=2.5 μF, and C3=5.0 μF. The voltage source provides ε=12.8 V. What is the charge on C1?
-a) 5.066E+01 μC
-b) 5.573E+01 μC
-c) 6.130E+01 μC
+d) 6.743E+01 μC
-e) 7.417E+01 μC

QB:Ch 8:V2[edit]

QB153099154237

1)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=19.9 μF, C2=2.25 μF, and C3=4.75 μF. The voltage source provides ε=6.93 V. What is the charge on C1?
a) 2.451E+01 μC
b) 2.696E+01 μC
c) 2.966E+01 μC
d) 3.262E+01 μC
e) 3.589E+01 μC
2)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=19.2 μF, C2=2.24 μF, and C3=4.93 μF. The voltage source provides ε=11.7 V. What is the energy stored in C2?
a) 1.303E+01 μJ
b) 1.434E+01 μJ
c) 1.577E+01 μJ
d) 1.735E+01 μJ
e) 1.908E+01 μJ

3) 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

KEY:QB:Ch 8:V2[edit]

QB153099154237

1)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=19.9 μF, C2=2.25 μF, and C3=4.75 μF. The voltage source provides ε=6.93 V. What is the charge on C1?
-a) 2.451E+01 μC
-b) 2.696E+01 μC
-c) 2.966E+01 μC
-d) 3.262E+01 μC
+e) 3.589E+01 μC
2)
DC circuit 3 cappies1 voltage source.svg
In the figure shown C1=19.2 μF, C2=2.24 μF, and C3=4.93 μF. The voltage source provides ε=11.7 V. What is the energy stored in C2?
-a) 1.303E+01 μJ
-b) 1.434E+01 μJ
-c) 1.577E+01 μJ
-d) 1.735E+01 μJ
+e) 1.908E+01 μJ

3) 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

QB:Ch 9:V0[edit]

QB153099154237

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

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

2) A DC winch moter draws 20 amps at 157 volts as it lifts a 5.270E+03 N weight at a constant speed of 0.403 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

a) 2.540E+00 Ω
b) 2.795E+00 Ω
c) 3.074E+00 Ω
d) 3.381E+00 Ω
e) 3.720E+00 Ω

3) Calculate the drift speed of electrons in a copper wire with a diameter of 2.17 mm carrying a 19.4 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) 3.569E-04 m/s
b) 3.926E-04 m/s
c) 4.319E-04 m/s
d) 4.750E-04 m/s
e) 5.226E-04 m/s

KEY:QB:Ch 9:V0[edit]

QB153099154237

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

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

2) A DC winch moter draws 20 amps at 157 volts as it lifts a 5.270E+03 N weight at a constant speed of 0.403 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

+a) 2.540E+00 Ω
-b) 2.795E+00 Ω
-c) 3.074E+00 Ω
-d) 3.381E+00 Ω
-e) 3.720E+00 Ω

3) Calculate the drift speed of electrons in a copper wire with a diameter of 2.17 mm carrying a 19.4 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) 3.569E-04 m/s
+b) 3.926E-04 m/s
-c) 4.319E-04 m/s
-d) 4.750E-04 m/s
-e) 5.226E-04 m/s

QB:Ch 9:V1[edit]

QB153099154237

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) Calculate the drift speed of electrons in a copper wire with a diameter of 4.9 mm carrying a 6.43 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) 2.109E-05 m/s
b) 2.320E-05 m/s
c) 2.552E-05 m/s
d) 2.807E-05 m/s
e) 3.088E-05 m/s

3) A DC winch moter draws 24 amps at 159 volts as it lifts a 4.120E+03 N weight at a constant speed of 0.657 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) 1.447E+00 Ω
b) 1.591E+00 Ω
c) 1.751E+00 Ω
d) 1.926E+00 Ω
e) 2.118E+00 Ω

KEY:QB:Ch 9:V1[edit]

QB153099154237

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) Calculate the drift speed of electrons in a copper wire with a diameter of 4.9 mm carrying a 6.43 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) 2.109E-05 m/s
-b) 2.320E-05 m/s
+c) 2.552E-05 m/s
-d) 2.807E-05 m/s
-e) 3.088E-05 m/s

3) A DC winch moter draws 24 amps at 159 volts as it lifts a 4.120E+03 N weight at a constant speed of 0.657 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) 1.447E+00 Ω
-b) 1.591E+00 Ω
-c) 1.751E+00 Ω
+d) 1.926E+00 Ω
-e) 2.118E+00 Ω

QB:Ch 9:V2[edit]

QB153099154237

1) A DC winch moter draws 17 amps at 187 volts as it lifts a 5.600E+03 N weight at a constant speed of 0.381 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

a) 2.471E+00 Ω
b) 2.718E+00 Ω
c) 2.990E+00 Ω
d) 3.288E+00 Ω
e) 3.617E+00 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) 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:V2[edit]

QB153099154237

1) A DC winch moter draws 17 amps at 187 volts as it lifts a 5.600E+03 N weight at a constant speed of 0.381 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

-a) 2.471E+00 Ω
-b) 2.718E+00 Ω
-c) 2.990E+00 Ω
-d) 3.288E+00 Ω
+e) 3.617E+00 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) 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 10:V0[edit]

QB153099154237

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

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

2) A given battery has a 13 V emf and an internal resistance of 0.106 Ω. If it is connected to a 0.752 Ω resistor what is the power dissipated by that load?

a) 1.569E+02 W
b) 1.726E+02 W
c) 1.899E+02 W
d) 2.089E+02 W
e) 2.298E+02 W
3)
DC circuit 3 resistors 1 voltage source.svg
In the circuit shown V=11.9 V, R1=2.75 Ω, R2=7.19 Ω, and R3=14.6 Ω. What is the power dissipated by R2?
a) 7.982E+00 W
b) 8.780E+00 W
c) 9.658E+00 W
d) 1.062E+01 W
e) 1.169E+01 W

KEY:QB:Ch 10:V0[edit]

QB153099154237

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

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

2) A given battery has a 13 V emf and an internal resistance of 0.106 Ω. If it is connected to a 0.752 Ω resistor what is the power dissipated by that load?

-a) 1.569E+02 W
+b) 1.726E+02 W
-c) 1.899E+02 W
-d) 2.089E+02 W
-e) 2.298E+02 W
3)
DC circuit 3 resistors 1 voltage source.svg
In the circuit shown V=11.9 V, R1=2.75 Ω, R2=7.19 Ω, and R3=14.6 Ω. What is the power dissipated by R2?
+a) 7.982E+00 W
-b) 8.780E+00 W
-c) 9.658E+00 W
-d) 1.062E+01 W
-e) 1.169E+01 W

QB:Ch 10:V1[edit]

QB153099154237

1) A given battery has a 9 V emf and an internal resistance of 0.141 Ω. If it is connected to a 0.663 Ω resistor what is the power dissipated by that load?

a) 5.674E+01 W
b) 6.242E+01 W
c) 6.866E+01 W
d) 7.553E+01 W
e) 8.308E+01 W

2) A battery with a terminal voltage of 14.6 V is connected to a circuit consisting of 2 21.7 Ω resistors and one 14.4 Ω resistor. What is the voltage drop across the 14.4 Ω resistor?

a) 3.637E+00 V
b) 4.001E+00 V
c) 4.401E+00 V
d) 4.841E+00 V
e) 5.325E+00 V
3)
DC circuit 3 resistors 1 voltage source.svg
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

KEY:QB:Ch 10:V1[edit]

QB153099154237

1) A given battery has a 9 V emf and an internal resistance of 0.141 Ω. If it is connected to a 0.663 Ω resistor what is the power dissipated by that load?

-a) 5.674E+01 W
-b) 6.242E+01 W
-c) 6.866E+01 W
-d) 7.553E+01 W
+e) 8.308E+01 W

2) A battery with a terminal voltage of 14.6 V is connected to a circuit consisting of 2 21.7 Ω resistors and one 14.4 Ω resistor. What is the voltage drop across the 14.4 Ω resistor?

+a) 3.637E+00 V
-b) 4.001E+00 V
-c) 4.401E+00 V
-d) 4.841E+00 V
-e) 5.325E+00 V
3)
DC circuit 3 resistors 1 voltage source.svg
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

QB:Ch 10:V2[edit]

QB153099154237

1)
DC circuit 3 resistors 1 voltage source.svg
In the circuit shown V=18.8 V, R1=2.59 Ω, R2=5.47 Ω, and R3=15.8 Ω. What is the power dissipated by R2?
a) 2.191E+01 W
b) 2.410E+01 W
c) 2.651E+01 W
d) 2.916E+01 W
e) 3.208E+01 W

2) A given battery has a 9 V emf and an internal resistance of 0.16 Ω. If it is connected to a 0.45 Ω resistor what is the power dissipated by that load?

a) 6.691E+01 W
b) 7.360E+01 W
c) 8.096E+01 W
d) 8.905E+01 W
e) 9.796E+01 W

3) A battery with a terminal voltage of 7.82 V is connected to a circuit consisting of 2 19.3 Ω resistors and one 12.2 Ω resistor. What is the voltage drop across the 12.2 Ω resistor?

a) 1.552E+00 V
b) 1.707E+00 V
c) 1.878E+00 V
d) 2.066E+00 V
e) 2.272E+00 V

KEY:QB:Ch 10:V2[edit]

QB153099154237

1)
DC circuit 3 resistors 1 voltage source.svg
In the circuit shown V=18.8 V, R1=2.59 Ω, R2=5.47 Ω, and R3=15.8 Ω. What is the power dissipated by R2?
-a) 2.191E+01 W
+b) 2.410E+01 W
-c) 2.651E+01 W
-d) 2.916E+01 W
-e) 3.208E+01 W

2) A given battery has a 9 V emf and an internal resistance of 0.16 Ω. If it is connected to a 0.45 Ω resistor what is the power dissipated by that load?

-a) 6.691E+01 W
-b) 7.360E+01 W
-c) 8.096E+01 W
-d) 8.905E+01 W
+e) 9.796E+01 W

3) A battery with a terminal voltage of 7.82 V is connected to a circuit consisting of 2 19.3 Ω resistors and one 12.2 Ω resistor. What is the voltage drop across the 12.2 Ω resistor?

-a) 1.552E+00 V
-b) 1.707E+00 V
+c) 1.878E+00 V
-d) 2.066E+00 V
-e) 2.272E+00 V

QB:Ch 11:V0[edit]

QB153099154237

1) A 42 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 7 g, and the magnitude of the magnetic field is 0.48 T. What current is required to maintain this balance?

a) 2.812E-01 A
b) 3.093E-01 A
c) 3.403E-01 A
d) 3.743E-01 A
e) 4.117E-01 A
2)
Hall effect for OpenStax Physics negative carriers.svg
The silver ribbon shown are a=4.65 cm, b=3.43 cm, and c= 1.15 cm. The current carries a current of 279 A and it lies in a uniform magnetic field of 3.48 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
a) 6.100E-06 V
b) 6.710E-06 V
c) 7.381E-06 V
d) 8.120E-06 V
e) 8.931E-06 V

3) A circular current loop of radius 2.1 cm carries a current of 5.02 mA. What is the magnitude of the torque if the dipole is oriented at 26 ° to a uniform magnetic fied of 0.184 T?

a) 5.610E-07 N m
b) 6.171E-07 N m
c) 6.788E-07 N m
d) 7.467E-07 N m
e) 8.213E-07 N m

KEY:QB:Ch 11:V0[edit]

QB153099154237

1) A 42 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 7 g, and the magnitude of the magnetic field is 0.48 T. What current is required to maintain this balance?

-a) 2.812E-01 A
-b) 3.093E-01 A
+c) 3.403E-01 A
-d) 3.743E-01 A
-e) 4.117E-01 A
2)
Hall effect for OpenStax Physics negative carriers.svg
The silver ribbon shown are a=4.65 cm, b=3.43 cm, and c= 1.15 cm. The current carries a current of 279 A and it lies in a uniform magnetic field of 3.48 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
-a) 6.100E-06 V
-b) 6.710E-06 V
-c) 7.381E-06 V
-d) 8.120E-06 V
+e) 8.931E-06 V

3) A circular current loop of radius 2.1 cm carries a current of 5.02 mA. What is the magnitude of the torque if the dipole is oriented at 26 ° to a uniform magnetic fied of 0.184 T?

+a) 5.610E-07 N m
-b) 6.171E-07 N m
-c) 6.788E-07 N m
-d) 7.467E-07 N m
-e) 8.213E-07 N m

QB:Ch 11:V1[edit]

QB153099154237

1) A 76 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 13 g, and the magnitude of the magnetic field is 0.367 T. What current is required to maintain this balance?

a) 3.432E-01 A
b) 3.775E-01 A
c) 4.152E-01 A
d) 4.568E-01 A
e) 5.024E-01 A
2)
Hall effect for OpenStax Physics negative carriers.svg
The silver ribbon shown are a=3.84 cm, b=3.45 cm, and c= 1.38 cm. The current carries a current of 92 A and it lies in a uniform magnetic field of 1.35 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
a) 7.153E-07 V
b) 7.869E-07 V
c) 8.655E-07 V
d) 9.521E-07 V
e) 1.047E-06 V

3) A circular current loop of radius 2.48 cm carries a current of 3.67 mA. What is the magnitude of the torque if the dipole is oriented at 21 ° to a uniform magnetic fied of 0.402 T?

a) 1.022E-06 N m
b) 1.124E-06 N m
c) 1.236E-06 N m
d) 1.360E-06 N m
e) 1.496E-06 N m

KEY:QB:Ch 11:V1[edit]

QB153099154237

1) A 76 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 13 g, and the magnitude of the magnetic field is 0.367 T. What current is required to maintain this balance?

-a) 3.432E-01 A
-b) 3.775E-01 A
-c) 4.152E-01 A
+d) 4.568E-01 A
-e) 5.024E-01 A
2)
Hall effect for OpenStax Physics negative carriers.svg
The silver ribbon shown are a=3.84 cm, b=3.45 cm, and c= 1.38 cm. The current carries a current of 92 A and it lies in a uniform magnetic field of 1.35 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
-a) 7.153E-07 V
-b) 7.869E-07 V
-c) 8.655E-07 V
+d) 9.521E-07 V
-e) 1.047E-06 V

3) A circular current loop of radius 2.48 cm carries a current of 3.67 mA. What is the magnitude of the torque if the dipole is oriented at 21 ° to a uniform magnetic fied of 0.402 T?

+a) 1.022E-06 N m
-b) 1.124E-06 N m
-c) 1.236E-06 N m
-d) 1.360E-06 N m
-e) 1.496E-06 N m

QB:Ch 11:V2[edit]

QB153099154237

1)
Hall effect for OpenStax Physics negative carriers.svg
The silver ribbon shown are a=3.32 cm, b=2.81 cm, and c= 0.996 cm. The current carries a current of 121 A and it lies in a uniform magnetic field of 1.23 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
a) 1.080E-06 V
b) 1.188E-06 V
c) 1.306E-06 V
d) 1.437E-06 V
e) 1.581E-06 V

2) A 92 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 15 g, and the magnitude of the magnetic field is 0.713 T. What current is required to maintain this balance?

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

3) A circular current loop of radius 2.1 cm carries a current of 5.02 mA. What is the magnitude of the torque if the dipole is oriented at 26 ° to a uniform magnetic fied of 0.184 T?

a) 5.610E-07 N m
b) 6.171E-07 N m
c) 6.788E-07 N m
d) 7.467E-07 N m
e) 8.213E-07 N m

KEY:QB:Ch 11:V2[edit]

QB153099154237

1)
Hall effect for OpenStax Physics negative carriers.svg
The silver ribbon shown are a=3.32 cm, b=2.81 cm, and c= 0.996 cm. The current carries a current of 121 A and it lies in a uniform magnetic field of 1.23 T. Using the density of 5.900E+28 electrons per cubic meter for silver, find the Hallpotential between the edges of the ribbon.
-a) 1.080E-06 V
-b) 1.188E-06 V
-c) 1.306E-06 V
-d) 1.437E-06 V
+e) 1.581E-06 V

2) A 92 cm-long horizontal wire is maintained in static equilibrium by a horizontally directed magnetic field that is perpendicular to the wire (and to Earth's gravity). The mass of the wire is 15 g, and the magnitude of the magnetic field is 0.713 T. What current is required to maintain this balance?

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

3) A circular current loop of radius 2.1 cm carries a current of 5.02 mA. What is the magnitude of the torque if the dipole is oriented at 26 ° to a uniform magnetic fied of 0.184 T?

+a) 5.610E-07 N m
-b) 6.171E-07 N m
-c) 6.788E-07 N m
-d) 7.467E-07 N m
-e) 8.213E-07 N m

QB:Ch 12:V0[edit]

QB153099154237

1) A wire carries a current of 338 A in a circular arc with radius 2.62 cm swept through 79 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

a) 4.387E+00 Tesla
b) 4.826E+00 Tesla
c) 5.309E+00 Tesla
d) 5.839E+00 Tesla
e) 6.423E+00 Tesla
2)
Quizbank magnetic field question 3 corners.svg
Three wires sit at the corners of a square of length 0.518 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 (1.31 A, 1.32 A, 1.62 A), respectively. What is the x-component of the magnetic field at point P?
a) Bx= 6.013E-05 T
b) Bx= 6.614E-05 T
c) Bx= 7.275E-05 T
d) Bx= 8.003E-05 T
e) Bx= 8.803E-05 T

3) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 26 turns per centimeter and the current applied to the solenoid is 533 mA, the net magnetic field is measured to be 1.31 T. What is the magnetic susceptibility for this case?

a) 7.512E+02
b) 8.264E+02
c) 9.090E+02
d) 9.999E+02
e) 1.100E+03

KEY:QB:Ch 12:V0[edit]

QB153099154237

1) A wire carries a current of 338 A in a circular arc with radius 2.62 cm swept through 79 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

-a) 4.387E+00 Tesla
-b) 4.826E+00 Tesla
-c) 5.309E+00 Tesla
+d) 5.839E+00 Tesla
-e) 6.423E+00 Tesla
2)
Quizbank magnetic field question 3 corners.svg
Three wires sit at the corners of a square of length 0.518 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 (1.31 A, 1.32 A, 1.62 A), respectively. What is the x-component of the magnetic field at point P?
-a) Bx= 6.013E-05 T
-b) Bx= 6.614E-05 T
-c) Bx= 7.275E-05 T
-d) Bx= 8.003E-05 T
+e) Bx= 8.803E-05 T

3) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 26 turns per centimeter and the current applied to the solenoid is 533 mA, the net magnetic field is measured to be 1.31 T. What is the magnetic susceptibility for this case?

+a) 7.512E+02
-b) 8.264E+02
-c) 9.090E+02
-d) 9.999E+02
-e) 1.100E+03

QB:Ch 12:V1[edit]

QB153099154237

1) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 27 turns per centimeter and the current applied to the solenoid is 344 mA, the net magnetic field is measured to be 1.12 T. What is the magnetic susceptibility for this case?

a) 7.922E+02
b) 8.714E+02
c) 9.586E+02
d) 1.054E+03
e) 1.160E+03

2) A wire carries a current of 202 A in a circular arc with radius 2.17 cm swept through 51 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

a) 2.473E+00 Tesla
b) 2.720E+00 Tesla
c) 2.992E+00 Tesla
d) 3.291E+00 Tesla
e) 3.620E+00 Tesla
3)
Quizbank magnetic field question 3 corners.svg
Three wires sit at the corners of a square of length 0.533 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 (2.17 A, 2.25 A, 2.22 A), respectively. What is the x-component of the magnetic field at point P?
a) Bx= 1.037E-04 T
b) Bx= 1.141E-04 T
c) Bx= 1.255E-04 T
d) Bx= 1.381E-04 T
e) Bx= 1.519E-04 T

KEY:QB:Ch 12:V1[edit]

QB153099154237

1) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 27 turns per centimeter and the current applied to the solenoid is 344 mA, the net magnetic field is measured to be 1.12 T. What is the magnetic susceptibility for this case?

-a) 7.922E+02
-b) 8.714E+02
+c) 9.586E+02
-d) 1.054E+03
-e) 1.160E+03

2) A wire carries a current of 202 A in a circular arc with radius 2.17 cm swept through 51 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

-a) 2.473E+00 Tesla
+b) 2.720E+00 Tesla
-c) 2.992E+00 Tesla
-d) 3.291E+00 Tesla
-e) 3.620E+00 Tesla
3)
Quizbank magnetic field question 3 corners.svg
Three wires sit at the corners of a square of length 0.533 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 (2.17 A, 2.25 A, 2.22 A), respectively. What is the x-component of the magnetic field at point P?
-a) Bx= 1.037E-04 T
-b) Bx= 1.141E-04 T
+c) Bx= 1.255E-04 T
-d) Bx= 1.381E-04 T
-e) Bx= 1.519E-04 T

QB:Ch 12:V2[edit]

QB153099154237

1) A wire carries a current of 332 A in a circular arc with radius 2.47 cm swept through 44 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

a) 3.389E+00 Tesla
b) 3.727E+00 Tesla
c) 4.100E+00 Tesla
d) 4.510E+00 Tesla
e) 4.961E+00 Tesla
2)
Quizbank magnetic field question 3 corners.svg
Three wires sit at the corners of a square of length 0.518 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 (1.31 A, 1.32 A, 1.62 A), respectively. What is the x-component of the magnetic field at point P?
a) Bx= 6.013E-05 T
b) Bx= 6.614E-05 T
c) Bx= 7.275E-05 T
d) Bx= 8.003E-05 T
e) Bx= 8.803E-05 T

3) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 20 turns per centimeter and the current applied to the solenoid is 525 mA, the net magnetic field is measured to be 1.45 T. What is the magnetic susceptibility for this case?

a) 8.249E+02
b) 9.074E+02
c) 9.981E+02
d) 1.098E+03
e) 1.208E+03

KEY:QB:Ch 12:V2[edit]

QB153099154237

1) A wire carries a current of 332 A in a circular arc with radius 2.47 cm swept through 44 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

+a) 3.389E+00 Tesla
-b) 3.727E+00 Tesla
-c) 4.100E+00 Tesla
-d) 4.510E+00 Tesla
-e) 4.961E+00 Tesla
2)
Quizbank magnetic field question 3 corners.svg
Three wires sit at the corners of a square of length 0.518 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 (1.31 A, 1.32 A, 1.62 A), respectively. What is the x-component of the magnetic field at point P?
-a) Bx= 6.013E-05 T
-b) Bx= 6.614E-05 T
-c) Bx= 7.275E-05 T
-d) Bx= 8.003E-05 T
+e) Bx= 8.803E-05 T

3) A long coil is tightly wound around a (hypothetical) ferromagnetic cylinder. If n= 20 turns per centimeter and the current applied to the solenoid is 525 mA, the net magnetic field is measured to be 1.45 T. What is the magnetic susceptibility for this case?

-a) 8.249E+02
-b) 9.074E+02
-c) 9.981E+02
+d) 1.098E+03
-e) 1.208E+03

QB:Ch 13:V0[edit]

QB153099154237

1) A square coil has sides that are L= 0.465 m long and is tightly wound with N=954 turns of wire. The resistance of the coil is R=6.06 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0367 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

a) 1.136E+00 A
b) 1.249E+00 A
c) 1.374E+00 A
d) 1.512E+00 A
e) 1.663E+00 A

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

a) 4.464E+04 V
b) 4.911E+04 V
c) 5.402E+04 V
d) 5.942E+04 V
e) 6.536E+04 V
3)
Wikiversity wedge.svg
A cylinder of height 1.27 cm and radius 8.63 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 3.15 cm from point O and moves at a speed of 1.26 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) 1.892E+01 cm3/s
b) 2.081E+01 cm3/s
c) 2.289E+01 cm3/s
d) 2.518E+01 cm3/s
e) 2.770E+01 cm3/s

KEY:QB:Ch 13:V0[edit]

QB153099154237

1) A square coil has sides that are L= 0.465 m long and is tightly wound with N=954 turns of wire. The resistance of the coil is R=6.06 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0367 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

-a) 1.136E+00 A
+b) 1.249E+00 A
-c) 1.374E+00 A
-d) 1.512E+00 A
-e) 1.663E+00 A

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

-a) 4.464E+04 V
-b) 4.911E+04 V
+c) 5.402E+04 V
-d) 5.942E+04 V
-e) 6.536E+04 V
3)
Wikiversity wedge.svg
A cylinder of height 1.27 cm and radius 8.63 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 3.15 cm from point O and moves at a speed of 1.26 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) 1.892E+01 cm3/s
-b) 2.081E+01 cm3/s
-c) 2.289E+01 cm3/s
-d) 2.518E+01 cm3/s
-e) 2.770E+01 cm3/s

QB:Ch 13:V1[edit]

QB153099154237

1) A square coil has sides that are L= 0.561 m long and is tightly wound with N=930 turns of wire. The resistance of the coil is R=5.08 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0548 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

a) 2.609E+00 A
b) 2.870E+00 A
c) 3.157E+00 A
d) 3.473E+00 A
e) 3.820E+00 A

2) A recangular coil with an area of 0.815 m2 and 11 turns is placed in a uniform magnetic field of 3.62 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 4.700E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 59 s?

a) 1.197E+05 V
b) 1.316E+05 V
c) 1.448E+05 V
d) 1.593E+05 V
e) 1.752E+05 V
3)
Wikiversity wedge.svg
A cylinder of height 2.58 cm and radius 9.47 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 3.62 cm from point O and moves at a speed of 4.7 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) 1.128E+02 cm3/s
b) 1.241E+02 cm3/s
c) 1.365E+02 cm3/s
d) 1.502E+02 cm3/s
e) 1.652E+02 cm3/s

KEY:QB:Ch 13:V1[edit]

QB153099154237

1) A square coil has sides that are L= 0.561 m long and is tightly wound with N=930 turns of wire. The resistance of the coil is R=5.08 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0548 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

-a) 2.609E+00 A
-b) 2.870E+00 A
+c) 3.157E+00 A
-d) 3.473E+00 A
-e) 3.820E+00 A

2) A recangular coil with an area of 0.815 m2 and 11 turns is placed in a uniform magnetic field of 3.62 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 4.700E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 59 s?

-a) 1.197E+05 V
+b) 1.316E+05 V
-c) 1.448E+05 V
-d) 1.593E+05 V
-e) 1.752E+05 V
3)
Wikiversity wedge.svg
A cylinder of height 2.58 cm and radius 9.47 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 3.62 cm from point O and moves at a speed of 4.7 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) 1.128E+02 cm3/s
-b) 1.241E+02 cm3/s
-c) 1.365E+02 cm3/s
+d) 1.502E+02 cm3/s
-e) 1.652E+02 cm3/s

QB:Ch 13:V2[edit]

QB153099154237

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

a) 1.567E+00 A
b) 1.724E+00 A
c) 1.897E+00 A
d) 2.086E+00 A
e) 2.295E+00 A
2)
Wikiversity wedge.svg
A cylinder of height 1.3 cm and radius 6.01 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 3.61 cm from point O and moves at a speed of 2.11 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) 1.372E+01 cm3/s
b) 1.509E+01 cm3/s
c) 1.660E+01 cm3/s
d) 1.826E+01 cm3/s
e) 2.009E+01 cm3/s

3) A recangular coil with an area of 0.815 m2 and 11 turns is placed in a uniform magnetic field of 3.62 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 4.700E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 59 s?

a) 1.197E+05 V
b) 1.316E+05 V
c) 1.448E+05 V
d) 1.593E+05 V
e) 1.752E+05 V

KEY:QB:Ch 13:V2[edit]

QB153099154237

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

-a) 1.567E+00 A
+b) 1.724E+00 A
-c) 1.897E+00 A
-d) 2.086E+00 A
-e) 2.295E+00 A
2)
Wikiversity wedge.svg
A cylinder of height 1.3 cm and radius 6.01 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 3.61 cm from point O and moves at a speed of 2.11 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) 1.372E+01 cm3/s
-b) 1.509E+01 cm3/s
-c) 1.660E+01 cm3/s
-d) 1.826E+01 cm3/s
-e) 2.009E+01 cm3/s

3) A recangular coil with an area of 0.815 m2 and 11 turns is placed in a uniform magnetic field of 3.62 T. The coil is rotated about an axis that is perpendicular to this field. At time t=0 the normal to the coil is oriented parallel to the magnetic field and the coil is rotating with a constant angular frequency of 4.700E+03 s−1. What is the magnitude (absolute value) of the induced emf at t = 59 s?

-a) 1.197E+05 V
+b) 1.316E+05 V
-c) 1.448E+05 V
-d) 1.593E+05 V
-e) 1.752E+05 V

QB:Ch 14:V0[edit]

QB153099154237

1)
Coil and solenoid.svg
A long solenoid has a length 0.759 meters, radius 4.51 cm, and 542 turns. It surrounds coil of radius 9.59 meters and 13turns. If the current in the solenoid is changing at a rate of 272 A/s, what is the emf induced in the surounding coil?
a) 5.791E-02 V
b) 6.370E-02 V
c) 7.007E-02 V
d) 7.708E-02 V
e) 8.478E-02 V
2)
LR circuit with switches.svg
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =13.6 s if ε = 6.56 V , R = 2.44 Ω, and L = 8.76 H?
a) 2.627E+00 V
b) 3.153E+00 V
c) 3.783E+00 V
d) 4.540E+00 V
e) 5.448E+00 V

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

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

KEY:QB:Ch 14:V0[edit]

QB153099154237

1)
Coil and solenoid.svg
A long solenoid has a length 0.759 meters, radius 4.51 cm, and 542 turns. It surrounds coil of radius 9.59 meters and 13turns. If the current in the solenoid is changing at a rate of 272 A/s, what is the emf induced in the surounding coil?
-a) 5.791E-02 V
+b) 6.370E-02 V
-c) 7.007E-02 V
-d) 7.708E-02 V
-e) 8.478E-02 V
2)
LR circuit with switches.svg
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =13.6 s if ε = 6.56 V , R = 2.44 Ω, and L = 8.76 H?
+a) 2.627E+00 V
-b) 3.153E+00 V
-c) 3.783E+00 V
-d) 4.540E+00 V
-e) 5.448E+00 V

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

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

QB:Ch 14:V1[edit]

QB153099154237

1)
LR circuit with switches.svg
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
2)
Coil and solenoid.svg
A long solenoid has a length 0.805 meters, radius 4.24 cm, and 536 turns. It surrounds coil of radius 8.5 meters and 16turns. If the current in the solenoid is changing at a rate of 278 A/s, what is the emf induced in the surounding coil?
a) 6.604E-02 V
b) 7.264E-02 V
c) 7.990E-02 V
d) 8.789E-02 V
e) 9.668E-02 V

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

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

KEY:QB:Ch 14:V1[edit]

QB153099154237

1)
LR circuit with switches.svg
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
2)
Coil and solenoid.svg
A long solenoid has a length 0.805 meters, radius 4.24 cm, and 536 turns. It surrounds coil of radius 8.5 meters and 16turns. If the current in the solenoid is changing at a rate of 278 A/s, what is the emf induced in the surounding coil?
+a) 6.604E-02 V
-b) 7.264E-02 V
-c) 7.990E-02 V
-d) 8.789E-02 V
-e) 9.668E-02 V

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

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

QB:Ch 14:V2[edit]

QB153099154237

1)
Coil and solenoid.svg
A long solenoid has a length 0.794 meters, radius 4.45 cm, and 568 turns. It surrounds coil of radius 6.81 meters and 9turns. If the current in the solenoid is changing at a rate of 246 A/s, what is the emf induced in the surounding coil?
a) 3.890E-02 V
b) 4.279E-02 V
c) 4.707E-02 V
d) 5.177E-02 V
e) 5.695E-02 V
2)
LR circuit with switches.svg
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =7.72 s if ε = 2.79 V , R = 1.56 Ω, and L = 3.16 H?
a) 1.214E+00 V
b) 1.457E+00 V
c) 1.749E+00 V
d) 2.099E+00 V
e) 2.518E+00 V

3) An induced emf of 5.33V is measured across a coil of 77 closely wound turns while the current throuth it increases uniformly from 0.0 to 6.57A in 0.648s. What is the self-inductance of the coil?

a) 4.779E-01 H
b) 5.257E-01 H
c) 5.783E-01 H
d) 6.361E-01 H
e) 6.997E-01 H

KEY:QB:Ch 14:V2[edit]

QB153099154237

1)
Coil and solenoid.svg
A long solenoid has a length 0.794 meters, radius 4.45 cm, and 568 turns. It surrounds coil of radius 6.81 meters and 9turns. If the current in the solenoid is changing at a rate of 246 A/s, what is the emf induced in the surounding coil?
+a) 3.890E-02 V
-b) 4.279E-02 V
-c) 4.707E-02 V
-d) 5.177E-02 V
-e) 5.695E-02 V
2)
LR circuit with switches.svg
Suppose switch S1 is suddenly closed at time t=0 in the figure shown. What is the current at t =7.72 s if ε = 2.79 V , R = 1.56 Ω, and L = 3.16 H?
-a) 1.214E+00 V
-b) 1.457E+00 V
+c) 1.749E+00 V
-d) 2.099E+00 V
-e) 2.518E+00 V

3) An induced emf of 5.33V is measured across a coil of 77 closely wound turns while the current throuth it increases uniformly from 0.0 to 6.57A in 0.648s. What is the self-inductance of the coil?

-a) 4.779E-01 H
+b) 5.257E-01 H
-c) 5.783E-01 H
-d) 6.361E-01 H
-e) 6.997E-01 H

QB:Ch 15:V0[edit]

QB153099154237

1) The output of an ac generator connected to an RLC series combination has a frequency of 3.60E+04 Hz and an amplitude of 9 V. If R =2 Ω, L= 7.60E-03H , and C=7.50E-06 F, what is the rms power transferred to the resistor?

a) 1.011E-03 Watts
b) 1.112E-03 Watts
c) 1.223E-03 Watts
d) 1.345E-03 Watts
e) 1.480E-03 Watts

2) An ac generator produces an emf of amplitude 85 V at a frequency of 160 Hz. What is the maximum amplitude of the current if the generator is connected to a 59 mF capacitor?

a) 5.042E+00 A
b) 5.546E+00 A
c) 6.100E+00 A
d) 6.710E+00 A
e) 7.381E+00 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.76 V. The resistance, inductance, and capacitance are R =8 Ω, L= 3.80E-03H , and C=5.60E-04 F, respectively. What is the amplitude of the current?

a) 8.636E-02 A
b) 9.500E-02 A
c) 1.045E-01 A
d) 1.150E-01 A
e) 1.264E-01 A

KEY:QB:Ch 15:V0[edit]

QB153099154237

1) The output of an ac generator connected to an RLC series combination has a frequency of 3.60E+04 Hz and an amplitude of 9 V. If R =2 Ω, L= 7.60E-03H , and C=7.50E-06 F, what is the rms power transferred to the resistor?

-a) 1.011E-03 Watts
+b) 1.112E-03 Watts
-c) 1.223E-03 Watts
-d) 1.345E-03 Watts
-e) 1.480E-03 Watts

2) An ac generator produces an emf of amplitude 85 V at a frequency of 160 Hz. What is the maximum amplitude of the current if the generator is connected to a 59 mF capacitor?

+a) 5.042E+00 A
-b) 5.546E+00 A
-c) 6.100E+00 A
-d) 6.710E+00 A
-e) 7.381E+00 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(ωt), where V0=0.76 V. The resistance, inductance, and capacitance are R =8 Ω, L= 3.80E-03H , and C=5.60E-04 F, respectively. What is the amplitude of the current?

-a) 8.636E-02 A
+b) 9.500E-02 A
-c) 1.045E-01 A
-d) 1.150E-01 A
-e) 1.264E-01 A

QB:Ch 15:V1[edit]

QB153099154237

1) The output of an ac generator connected to an RLC series combination has a frequency of 5.70E+04 Hz and an amplitude of 5 V. If R =9 Ω, L= 6.10E-03H , and C=6.60E-06 F, what is the rms power transferred to the resistor?

a) 9.443E-04 Watts
b) 1.039E-03 Watts
c) 1.143E-03 Watts
d) 1.257E-03 Watts
e) 1.383E-03 Watts

2) An ac generator produces an emf of amplitude 58 V at a frequency of 200 Hz. What is the maximum amplitude of the current if the generator is connected to a 66 mF capacitor?

a) 3.976E+00 A
b) 4.373E+00 A
c) 4.810E+00 A
d) 5.291E+00 A
e) 5.821E+00 A

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

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

KEY:QB:Ch 15:V1[edit]

QB153099154237

1) The output of an ac generator connected to an RLC series combination has a frequency of 5.70E+04 Hz and an amplitude of 5 V. If R =9 Ω, L= 6.10E-03H , and C=6.60E-06 F, what is the rms power transferred to the resistor?

+a) 9.443E-04 Watts
-b) 1.039E-03 Watts
-c) 1.143E-03 Watts
-d) 1.257E-03 Watts
-e) 1.383E-03 Watts

2) An ac generator produces an emf of amplitude 58 V at a frequency of 200 Hz. What is the maximum amplitude of the current if the generator is connected to a 66 mF capacitor?

-a) 3.976E+00 A
-b) 4.373E+00 A
+c) 4.810E+00 A
-d) 5.291E+00 A
-e) 5.821E+00 A

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

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

QB:Ch 15:V2[edit]

QB153099154237

1) The output of an ac generator connected to an RLC series combination has a frequency of 5.50E+04 Hz and an amplitude of 2 V. If R =8 Ω, L= 9.60E-03H , and C=8.30E-06 F, what is the rms power transferred to the resistor?

a) 4.347E-05 Watts
b) 4.782E-05 Watts
c) 5.260E-05 Watts
d) 5.786E-05 Watts
e) 6.364E-05 Watts

2) An ac generator produces an emf of amplitude 54 V at a frequency of 120 Hz. What is the maximum amplitude of the current if the generator is connected to a 7 mF capacitor?

a) 2.850E-01 A
b) 3.135E-01 A
c) 3.449E-01 A
d) 3.793E-01 A
e) 4.173E-01 A

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

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

KEY:QB:Ch 15:V2[edit]

QB153099154237

1) The output of an ac generator connected to an RLC series combination has a frequency of 5.50E+04 Hz and an amplitude of 2 V. If R =8 Ω, L= 9.60E-03H , and C=8.30E-06 F, what is the rms power transferred to the resistor?

-a) 4.347E-05 Watts
-b) 4.782E-05 Watts
-c) 5.260E-05 Watts
+d) 5.786E-05 Watts
-e) 6.364E-05 Watts

2) An ac generator produces an emf of amplitude 54 V at a frequency of 120 Hz. What is the maximum amplitude of the current if the generator is connected to a 7 mF capacitor?

+a) 2.850E-01 A
-b) 3.135E-01 A
-c) 3.449E-01 A
-d) 3.793E-01 A
-e) 4.173E-01 A

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

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

QB:Ch 16:V0[edit]

QB153099154237

1)
RC switch.svg
A parallel plate capacitor with a capicatnce C=6.90E-06 F whose plates have an area A=5.80E+03 m2 and separation d=7.40E-03 m is connected via a swith to a 26 Ω resistor and a battery of voltage V0=9 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=4.70E-04?
a) 1.894E-02 A
b) 2.083E-02 A
c) 2.291E-02 A
d) 2.520E-02 A
e) 2.773E-02 A
2)
RC switch.svg
A parallel plate capacitor with a capicatnce C=7.10E-06 F whose plates have an area A=5.10E+03 m2 and separation d=6.40E-03 m is connected via a swith to a 54 Ω resistor and a battery of voltage V0=83 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-03?
a) 6.111E+01 V
b) 6.722E+01 V
c) 7.395E+01 V
d) 8.134E+01 V
e) 8.947E+01 V

3) What is the radiation force on an object that is 2.00E+11 m away from the sun and has cross-sectional area of 0.053 m2? The average power output of the Sun is 3.80E+26 W.

a) 2.673E-07 N
b) 2.940E-07 N
c) 3.234E-07 N
d) 3.558E-07 N
e) 3.913E-07 N

KEY:QB:Ch 16:V0[edit]

QB153099154237

1)
RC switch.svg
A parallel plate capacitor with a capicatnce C=6.90E-06 F whose plates have an area A=5.80E+03 m2 and separation d=7.40E-03 m is connected via a swith to a 26 Ω resistor and a battery of voltage V0=9 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=4.70E-04?
-a) 1.894E-02 A
-b) 2.083E-02 A
-c) 2.291E-02 A
+d) 2.520E-02 A
-e) 2.773E-02 A
2)
RC switch.svg
A parallel plate capacitor with a capicatnce C=7.10E-06 F whose plates have an area A=5.10E+03 m2 and separation d=6.40E-03 m is connected via a swith to a 54 Ω resistor and a battery of voltage V0=83 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-03?
-a) 6.111E+01 V
-b) 6.722E+01 V
-c) 7.395E+01 V
+d) 8.134E+01 V
-e) 8.947E+01 V

3) What is the radiation force on an object that is 2.00E+11 m away from the sun and has cross-sectional area of 0.053 m2? The average power output of the Sun is 3.80E+26 W.

+a) 2.673E-07 N
-b) 2.940E-07 N
-c) 3.234E-07 N
-d) 3.558E-07 N
-e) 3.913E-07 N

QB:Ch 16:V1[edit]

QB153099154237

1)
RC switch.svg
A parallel plate capacitor with a capicatnce C=3.80E-06 F whose plates have an area A=2.70E+03 m2 and separation d=6.30E-03 m is connected via a swith to a 4 Ω resistor and a battery of voltage V0=7 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=3.40E-05?
a) 6.252E+00 V
b) 6.878E+00 V
c) 7.565E+00 V
d) 8.322E+00 V
e) 9.154E+00 V
2)
RC switch.svg
A parallel plate capacitor with a capicatnce C=9.40E-06 F whose plates have an area A=5.00E+03 m2 and separation d=4.70E-03 m is connected via a swith to a 62 Ω resistor and a battery of voltage V0=65 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=9.70E-04?
a) 1.985E-01 A
b) 2.183E-01 A
c) 2.401E-01 A
d) 2.642E-01 A
e) 2.906E-01 A

3) 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

KEY:QB:Ch 16:V1[edit]

QB153099154237

1)
RC switch.svg
A parallel plate capacitor with a capicatnce C=3.80E-06 F whose plates have an area A=2.70E+03 m2 and separation d=6.30E-03 m is connected via a swith to a 4 Ω resistor and a battery of voltage V0=7 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=3.40E-05?
+a) 6.252E+00 V
-b) 6.878E+00 V
-c) 7.565E+00 V
-d) 8.322E+00 V
-e) 9.154E+00 V
2)
RC switch.svg
A parallel plate capacitor with a capicatnce C=9.40E-06 F whose plates have an area A=5.00E+03 m2 and separation d=4.70E-03 m is connected via a swith to a 62 Ω resistor and a battery of voltage V0=65 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=9.70E-04?
+a) 1.985E-01 A
-b) 2.183E-01 A
-c) 2.401E-01 A
-d) 2.642E-01 A
-e) 2.906E-01 A

3) 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

QB:Ch 16:V2[edit]

QB153099154237

1)
RC switch.svg
A parallel plate capacitor with a capicatnce C=5.60E-06 F whose plates have an area A=3.50E+03 m2 and separation d=5.60E-03 m is connected via a swith to a 94 Ω resistor and a battery of voltage V0=21 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=8.40E-04?
a) 1.258E+01 V
b) 1.384E+01 V
c) 1.522E+01 V
d) 1.674E+01 V
e) 1.842E+01 V

2) What is the radiation force on an object that is 3.60E+11 m away from the sun and has cross-sectional area of 0.069 m2? The average power output of the Sun is 3.80E+26 W.

a) 7.336E-08 N
b) 8.069E-08 N
c) 8.876E-08 N
d) 9.764E-08 N
e) 1.074E-07 N
3)
RC switch.svg
A parallel plate capacitor with a capicatnce C=6.60E-06 F whose plates have an area A=4.90E+03 m2 and separation d=6.60E-03 m is connected via a swith to a 20 Ω resistor and a battery of voltage V0=59 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=1.70E-04?
a) 8.138E-01 A
b) 8.952E-01 A
c) 9.847E-01 A
d) 1.083E+00 A
e) 1.191E+00 A

KEY:QB:Ch 16:V2[edit]

QB153099154237

1)
RC switch.svg
A parallel plate capacitor with a capicatnce C=5.60E-06 F whose plates have an area A=3.50E+03 m2 and separation d=5.60E-03 m is connected via a swith to a 94 Ω resistor and a battery of voltage V0=21 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the voltage at time t=8.40E-04?
-a) 1.258E+01 V
-b) 1.384E+01 V
-c) 1.522E+01 V
+d) 1.674E+01 V
-e) 1.842E+01 V

2) What is the radiation force on an object that is 3.60E+11 m away from the sun and has cross-sectional area of 0.069 m2? The average power output of the Sun is 3.80E+26 W.

-a) 7.336E-08 N
-b) 8.069E-08 N
-c) 8.876E-08 N
-d) 9.764E-08 N
+e) 1.074E-07 N
3)
RC switch.svg
A parallel plate capacitor with a capicatnce C=6.60E-06 F whose plates have an area A=4.90E+03 m2 and separation d=6.60E-03 m is connected via a swith to a 20 Ω resistor and a battery of voltage V0=59 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=1.70E-04?
+a) 8.138E-01 A
-b) 8.952E-01 A
-c) 9.847E-01 A
-d) 1.083E+00 A
-e) 1.191E+00 A