# Quizbank/Electricity and Magnetism (calculus based)/QB153099154202

QB153099154202

## Contents

- 1 QB:Ch 5:V0
- 2 QB:Ch 5:V1
- 3 QB:Ch 5:V2
- 4 QB:Ch 6:V0
- 5 QB:Ch 6:V1
- 6 QB:Ch 6:V2
- 7 QB:Ch 7:V0
- 8 QB:Ch 7:V1
- 9 QB:Ch 7:V2
- 10 QB:Ch 8:V0
- 11 QB:Ch 8:V1
- 12 QB:Ch 8:V2
- 13 QB:Ch 9:V0
- 14 QB:Ch 9:V1
- 15 QB:Ch 9:V2
- 16 QB:Ch 10:V0
- 17 QB:Ch 10:V1
- 18 QB:Ch 10:V2
- 19 QB:Ch 11:V0
- 20 QB:Ch 11:V1
- 21 QB:Ch 11:V2
- 22 QB:Ch 12:V0
- 23 QB:Ch 12:V1
- 24 QB:Ch 12:V2
- 25 QB:Ch 13:V0
- 26 QB:Ch 13:V1
- 27 QB:Ch 13:V2
- 28 QB:Ch 14:V0
- 29 QB:Ch 14:V1
- 30 QB:Ch 14:V2
- 31 QB:Ch 15:V0
- 32 QB:Ch 15:V1
- 33 QB:Ch 15:V2
- 34 QB:Ch 16:V0
- 35 QB:Ch 16:V1
- 36 QB:Ch 16:V2

### QB:Ch 5:V0[edit]

QB153099154202

- a) 2.429E+09 N/C
^{2} - b) 2.672E+09 N/C
^{2} - c) 2.939E+09 N/C
^{2} - d) 3.233E+09 N/C
^{2} - e) 3.556E+09 N/C
^{2}

is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.4 m. Evaluate at x=1.1 m if a=0.69 m, b=2.2 m. The total charge on the rod is 6 nC.

- a) 3.161E+00 V/m
^{2} - b) 3.477E+00 V/m
^{2} - c) 3.825E+00 V/m
^{2} - d) 4.208E+00 V/m
^{2} - e) 4.628E+00 V/m
^{2}

- a) 8.259E-15 N
- b) 9.085E-15 N
- c) 9.993E-15 N
- d) 1.099E-14 N
- e) 1.209E-14 N

#### KEY:QB:Ch 5:V0[edit]

QB153099154202

- -a) 2.429E+09 N/C
^{2} - +b) 2.672E+09 N/C
^{2} - -c) 2.939E+09 N/C
^{2} - -d) 3.233E+09 N/C
^{2} - -e) 3.556E+09 N/C
^{2}

is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.4 m. Evaluate at x=1.1 m if a=0.69 m, b=2.2 m. The total charge on the rod is 6 nC.

- -a) 3.161E+00 V/m
^{2} - -b) 3.477E+00 V/m
^{2} - -c) 3.825E+00 V/m
^{2} - -d) 4.208E+00 V/m
^{2} - +e) 4.628E+00 V/m
^{2}

- -a) 8.259E-15 N
- -b) 9.085E-15 N
- -c) 9.993E-15 N
- -d) 1.099E-14 N
- +e) 1.209E-14 N

### QB:Ch 5:V1[edit]

QB153099154202

- 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

- a) 2.013E+09 N/C
^{2} - b) 2.214E+09 N/C
^{2} - c) 2.435E+09 N/C
^{2} - d) 2.679E+09 N/C
^{2} - e) 2.947E+09 N/C
^{2}

is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.7 m. Evaluate at x=0.52 m if a=0.88 m, b=1.3 m. The total charge on the rod is 6 nC.

- a) 6.804E+00 V/m
^{2} - b) 7.485E+00 V/m
^{2} - c) 8.233E+00 V/m
^{2} - d) 9.056E+00 V/m
^{2} - e) 9.962E+00 V/m
^{2}

#### KEY:QB:Ch 5:V1[edit]

QB153099154202

- +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

- -a) 2.013E+09 N/C
^{2} - -b) 2.214E+09 N/C
^{2} - -c) 2.435E+09 N/C
^{2} - -d) 2.679E+09 N/C
^{2} - +e) 2.947E+09 N/C
^{2}

is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.7 m. Evaluate at x=0.52 m if a=0.88 m, b=1.3 m. The total charge on the rod is 6 nC.

- -a) 6.804E+00 V/m
^{2} - +b) 7.485E+00 V/m
^{2} - -c) 8.233E+00 V/m
^{2} - -d) 9.056E+00 V/m
^{2} - -e) 9.962E+00 V/m
^{2}

### QB:Ch 5:V2[edit]

QB153099154202

- 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

is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.3 m. Evaluate at x=0.83 m if a=0.82 m, b=1.3 m. The total charge on the rod is 7 nC.

- a) 8.690E+00 V/m
^{2} - b) 9.559E+00 V/m
^{2} - c) 1.051E+01 V/m
^{2} - d) 1.157E+01 V/m
^{2} - e) 1.272E+01 V/m
^{2}

- a) 1.202E+09 N/C
^{2} - b) 1.322E+09 N/C
^{2} - c) 1.454E+09 N/C
^{2} - d) 1.599E+09 N/C
^{2} - e) 1.759E+09 N/C
^{2}

#### KEY:QB:Ch 5:V2[edit]

QB153099154202

- -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

is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.3 m. Evaluate at x=0.83 m if a=0.82 m, b=1.3 m. The total charge on the rod is 7 nC.

- -a) 8.690E+00 V/m
^{2} - -b) 9.559E+00 V/m
^{2} - +c) 1.051E+01 V/m
^{2} - -d) 1.157E+01 V/m
^{2} - -e) 1.272E+01 V/m
^{2}

- -a) 1.202E+09 N/C
^{2} - -b) 1.322E+09 N/C
^{2} - -c) 1.454E+09 N/C
^{2} - -d) 1.599E+09 N/C
^{2} - +e) 1.759E+09 N/C
^{2}

### QB:Ch 6:V0[edit]

QB153099154202

_{1}=2.6 m. The other four surfaces are rectangles in y=y

_{0}=1.2 m, y=y

_{1}=5.9 m, z=z

_{0}=1.9 m, and z=z

_{1}=5.0 m. The surfaces in the yz plane each have area 15.0m

^{2}. Those in the xy plane have area 12.0m

^{2},and those in the zx plane have area 8.1m

^{2}. An electric field has the xyz components (0, 8.1, 6.8) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- a) 6.529E+01 N·m
^{2}/C - b) 7.181E+01 N·m
^{2}/C - c) 7.900E+01 N·m
^{2}/C - d) 8.690E+01 N·m
^{2}/C - e) 9.559E+01 N·m
^{2}/C

_{1}=2.4 m. The other four surfaces are rectangles in y=y

_{0}=1.7 m, y=y

_{1}=5.8 m, z=z

_{0}=1.3 m, and z=z

_{1}=4.4 m. The surfaces in the yz plane each have area 13.0m

^{2}. Those in the xy plane have area 9.8m

^{2},and those in the zx plane have area 7.4m

^{2}. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 46° 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) 8.457E+01 N·m
^{2}/C - b) 9.303E+01 N·m
^{2}/C - c) 1.023E+02 N·m
^{2}/C - d) 1.126E+02 N·m
^{2}/C - e) 1.238E+02 N·m
^{2}/C

3) A non-conducting sphere of radius R=3.1 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar^{1.2} (r≤R) where a=2 nC·m^{-1.8}. What is the magnitude of the electric field at a distance of 2.7 m from the center?

- a) 4.782E+02 N/C
- b) 5.260E+02 N/C
- c) 5.787E+02 N/C
- d) 6.365E+02 N/C
- e) 7.002E+02 N/C

#### KEY:QB:Ch 6:V0[edit]

QB153099154202

_{1}=2.6 m. The other four surfaces are rectangles in y=y

_{0}=1.2 m, y=y

_{1}=5.9 m, z=z

_{0}=1.9 m, and z=z

_{1}=5.0 m. The surfaces in the yz plane each have area 15.0m

^{2}. Those in the xy plane have area 12.0m

^{2},and those in the zx plane have area 8.1m

^{2}. An electric field has the xyz components (0, 8.1, 6.8) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- +a) 6.529E+01 N·m
^{2}/C - -b) 7.181E+01 N·m
^{2}/C - -c) 7.900E+01 N·m
^{2}/C - -d) 8.690E+01 N·m
^{2}/C - -e) 9.559E+01 N·m
^{2}/C

_{1}=2.4 m. The other four surfaces are rectangles in y=y

_{0}=1.7 m, y=y

_{1}=5.8 m, z=z

_{0}=1.3 m, and z=z

_{1}=4.4 m. The surfaces in the yz plane each have area 13.0m

^{2}. Those in the xy plane have area 9.8m

^{2},and those in the zx plane have area 7.4m

^{2}. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 46° 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) 8.457E+01 N·m
^{2}/C - +b) 9.303E+01 N·m
^{2}/C - -c) 1.023E+02 N·m
^{2}/C - -d) 1.126E+02 N·m
^{2}/C - -e) 1.238E+02 N·m
^{2}/C

3) A non-conducting sphere of radius R=3.1 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar^{1.2} (r≤R) where a=2 nC·m^{-1.8}. What is the magnitude of the electric field at a distance of 2.7 m from the center?

- +a) 4.782E+02 N/C
- -b) 5.260E+02 N/C
- -c) 5.787E+02 N/C
- -d) 6.365E+02 N/C
- -e) 7.002E+02 N/C

### QB:Ch 6:V1[edit]

QB153099154202

_{1}=2.0 m. The other four surfaces are rectangles in y=y

_{0}=1.4 m, y=y

_{1}=4.7 m, z=z

_{0}=1.2 m, and z=z

_{1}=4.1 m. The surfaces in the yz plane each have area 9.6m

^{2}. Those in the xy plane have area 6.6m

^{2},and those in the zx plane have area 5.8m

^{2}. An electric field has the xyz components (0, 8.4, 5.8) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- a) 3.328E+01 N·m
^{2}/C - b) 3.660E+01 N·m
^{2}/C - c) 4.026E+01 N·m
^{2}/C - d) 4.429E+01 N·m
^{2}/C - e) 4.872E+01 N·m
^{2}/C

2) A non-conducting sphere of radius R=3.7 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar^{1.4} (r≤R) where a=2 nC·m^{-1.6}. What is the magnitude of the electric field at a distance of 3.1 m from the center?

- a) 6.411E+02 N/C
- b) 7.052E+02 N/C
- c) 7.757E+02 N/C
- d) 8.533E+02 N/C
- e) 9.386E+02 N/C

_{1}=1.7 m. The other four surfaces are rectangles in y=y

_{0}=1.5 m, y=y

_{1}=5.7 m, z=z

_{0}=1.4 m, and z=z

_{1}=4.8 m. The surfaces in the yz plane each have area 14.0m

^{2}. Those in the xy plane have area 7.1m

^{2},and those in the zx plane have area 5.8m

^{2}. An electric field of magnitude 19 N/C has components in the y and z directions and is directed at 33° 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) 6.920E+01 N·m
^{2}/C - b) 7.612E+01 N·m
^{2}/C - c) 8.373E+01 N·m
^{2}/C - d) 9.210E+01 N·m
^{2}/C - e) 1.013E+02 N·m
^{2}/C

#### KEY:QB:Ch 6:V1[edit]

QB153099154202

_{1}=2.0 m. The other four surfaces are rectangles in y=y

_{0}=1.4 m, y=y

_{1}=4.7 m, z=z

_{0}=1.2 m, and z=z

_{1}=4.1 m. The surfaces in the yz plane each have area 9.6m

^{2}. Those in the xy plane have area 6.6m

^{2},and those in the zx plane have area 5.8m

^{2}. An electric field has the xyz components (0, 8.4, 5.8) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- -a) 3.328E+01 N·m
^{2}/C - -b) 3.660E+01 N·m
^{2}/C - -c) 4.026E+01 N·m
^{2}/C - -d) 4.429E+01 N·m
^{2}/C - +e) 4.872E+01 N·m
^{2}/C

2) A non-conducting sphere of radius R=3.7 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar^{1.4} (r≤R) where a=2 nC·m^{-1.6}. What is the magnitude of the electric field at a distance of 3.1 m from the center?

- -a) 6.411E+02 N/C
- -b) 7.052E+02 N/C
- +c) 7.757E+02 N/C
- -d) 8.533E+02 N/C
- -e) 9.386E+02 N/C

_{1}=1.7 m. The other four surfaces are rectangles in y=y

_{0}=1.5 m, y=y

_{1}=5.7 m, z=z

_{0}=1.4 m, and z=z

_{1}=4.8 m. The surfaces in the yz plane each have area 14.0m

^{2}. Those in the xy plane have area 7.1m

^{2},and those in the zx plane have area 5.8m

^{2}. An electric field of magnitude 19 N/C has components in the y and z directions and is directed at 33° 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) 6.920E+01 N·m
^{2}/C - -b) 7.612E+01 N·m
^{2}/C - -c) 8.373E+01 N·m
^{2}/C - +d) 9.210E+01 N·m
^{2}/C - -e) 1.013E+02 N·m
^{2}/C

### QB:Ch 6:V2[edit]

QB153099154202

1) A non-conducting sphere of radius R=3.0 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar^{1.2} (r≤R) where a=2 nC·m^{-1.8}. What is the magnitude of the electric field at a distance of 2.1 m from the center?

- a) 2.274E+02 N/C
- b) 2.501E+02 N/C
- c) 2.751E+02 N/C
- d) 3.026E+02 N/C
- e) 3.329E+02 N/C

_{1}=1.1 m. The other four surfaces are rectangles in y=y

_{0}=1.5 m, y=y

_{1}=5.0 m, z=z

_{0}=1.8 m, and z=z

_{1}=5.7 m. The surfaces in the yz plane each have area 14.0m

^{2}. Those in the xy plane have area 3.9m

^{2},and those in the zx plane have area 4.3m

^{2}. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 31° 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) 4.521E+01 N·m
^{2}/C - b) 4.973E+01 N·m
^{2}/C - c) 5.470E+01 N·m
^{2}/C - d) 6.017E+01 N·m
^{2}/C - e) 6.619E+01 N·m
^{2}/C

_{1}=1.5 m. The other four surfaces are rectangles in y=y

_{0}=1.6 m, y=y

_{1}=4.3 m, z=z

_{0}=1.3 m, and z=z

_{1}=5.1 m. The surfaces in the yz plane each have area 10.0m

^{2}. Those in the xy plane have area 4.0m

^{2},and those in the zx plane have area 5.7m

^{2}. An electric field has the xyz components (0, 5.7, 7.5) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- a) 3.249E+01 N·m
^{2}/C - b) 3.574E+01 N·m
^{2}/C - c) 3.931E+01 N·m
^{2}/C - d) 4.324E+01 N·m
^{2}/C - e) 4.757E+01 N·m
^{2}/C

#### KEY:QB:Ch 6:V2[edit]

QB153099154202

1) A non-conducting sphere of radius R=3.0 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar^{1.2} (r≤R) where a=2 nC·m^{-1.8}. What is the magnitude of the electric field at a distance of 2.1 m from the center?

- -a) 2.274E+02 N/C
- -b) 2.501E+02 N/C
- +c) 2.751E+02 N/C
- -d) 3.026E+02 N/C
- -e) 3.329E+02 N/C

_{1}=1.1 m. The other four surfaces are rectangles in y=y

_{0}=1.5 m, y=y

_{1}=5.0 m, z=z

_{0}=1.8 m, and z=z

_{1}=5.7 m. The surfaces in the yz plane each have area 14.0m

^{2}. Those in the xy plane have area 3.9m

^{2},and those in the zx plane have area 4.3m

^{2}. An electric field of magnitude 18 N/C has components in the y and z directions and is directed at 31° 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) 4.521E+01 N·m
^{2}/C - -b) 4.973E+01 N·m
^{2}/C - -c) 5.470E+01 N·m
^{2}/C - -d) 6.017E+01 N·m
^{2}/C - +e) 6.619E+01 N·m
^{2}/C

_{1}=1.5 m. The other four surfaces are rectangles in y=y

_{0}=1.6 m, y=y

_{1}=4.3 m, z=z

_{0}=1.3 m, and z=z

_{1}=5.1 m. The surfaces in the yz plane each have area 10.0m

^{2}. Those in the xy plane have area 4.0m

^{2},and those in the zx plane have area 5.7m

^{2}. An electric field has the xyz components (0, 5.7, 7.5) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- +a) 3.249E+01 N·m
^{2}/C - -b) 3.574E+01 N·m
^{2}/C - -c) 3.931E+01 N·m
^{2}/C - -d) 4.324E+01 N·m
^{2}/C - -e) 4.757E+01 N·m
^{2}/C

### QB:Ch 7:V0[edit]

QB153099154202

1) If a 11 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=43 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

- a) 2.299E+00 m
- b) 2.529E+00 m
- c) 2.782E+00 m
- d) 3.060E+00 m
- e) 3.366E+00 m

- a) 1.500E+01 μC
- b) 1.650E+01 μC
- c) 1.815E+01 μC
- d) 1.997E+01 μC
- e) 2.196E+01 μC

*a*=

*b*=3 cm.) The charges are q

_{1}=4 μC, q

_{2}=7 μC, q

_{3}=8 μC, and q

_{4}=11 μC. How much work was required to assemble these four charges from infinity?

- a) 7.982E+01 J
- b) 8.780E+01 J
- c) 9.658E+01 J
- d) 1.062E+02 J
- e) 1.169E+02 J

#### KEY:QB:Ch 7:V0[edit]

QB153099154202

1) If a 11 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=43 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

- +a) 2.299E+00 m
- -b) 2.529E+00 m
- -c) 2.782E+00 m
- -d) 3.060E+00 m
- -e) 3.366E+00 m

- -a) 1.500E+01 μC
- -b) 1.650E+01 μC
- -c) 1.815E+01 μC
- -d) 1.997E+01 μC
- +e) 2.196E+01 μC

*a*=

*b*=3 cm.) The charges are q

_{1}=4 μC, q

_{2}=7 μC, q

_{3}=8 μC, and q

_{4}=11 μC. How much work was required to assemble these four charges from infinity?

- -a) 7.982E+01 J
- +b) 8.780E+01 J
- -c) 9.658E+01 J
- -d) 1.062E+02 J
- -e) 1.169E+02 J

### QB:Ch 7:V1[edit]

QB153099154202

- a) 1.193E+01 μC
- b) 1.312E+01 μC
- c) 1.443E+01 μC
- d) 1.588E+01 μC
- e) 1.746E+01 μC

*a*=

*b*=5 cm.) The charges are q

_{1}=4 μC, q

_{2}=7 μC, q

_{3}=8 μC, and q

_{4}=9 μC. How much work was required to assemble these four charges from infinity?

- a) 4.235E+01 J
- b) 4.659E+01 J
- c) 5.125E+01 J
- d) 5.637E+01 J
- e) 6.201E+01 J

3) If a 18 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=12 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

- a) 1.114E+01 m
- b) 1.226E+01 m
- c) 1.348E+01 m
- d) 1.483E+01 m
- e) 1.631E+01 m

#### KEY:QB:Ch 7:V1[edit]

QB153099154202

- -a) 1.193E+01 μC
- -b) 1.312E+01 μC
- -c) 1.443E+01 μC
- +d) 1.588E+01 μC
- -e) 1.746E+01 μC

*a*=

*b*=5 cm.) The charges are q

_{1}=4 μC, q

_{2}=7 μC, q

_{3}=8 μC, and q

_{4}=9 μC. How much work was required to assemble these four charges from infinity?

- -a) 4.235E+01 J
- +b) 4.659E+01 J
- -c) 5.125E+01 J
- -d) 5.637E+01 J
- -e) 6.201E+01 J

3) If a 18 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=12 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

- -a) 1.114E+01 m
- -b) 1.226E+01 m
- +c) 1.348E+01 m
- -d) 1.483E+01 m
- -e) 1.631E+01 m

### QB:Ch 7:V2[edit]

QB153099154202

*a*=

*b*=3 cm.) The charges are q

_{1}=4 μC, q

_{2}=7 μC, q

_{3}=8 μC, and q

_{4}=10 μC. How much work was required to assemble these four charges from infinity?

- a) 5.650E+01 J
- b) 6.215E+01 J
- c) 6.837E+01 J
- d) 7.520E+01 J
- e) 8.272E+01 J

2) If a 14 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=52 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

- a) 2.420E+00 m
- b) 2.662E+00 m
- c) 2.928E+00 m
- d) 3.221E+00 m
- e) 3.543E+00 m

- 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:V2[edit]

QB153099154202

*a*=

*b*=3 cm.) The charges are q

_{1}=4 μC, q

_{2}=7 μC, q

_{3}=8 μC, and q

_{4}=10 μC. How much work was required to assemble these four charges from infinity?

- -a) 5.650E+01 J
- -b) 6.215E+01 J
- -c) 6.837E+01 J
- -d) 7.520E+01 J
- +e) 8.272E+01 J

2) If a 14 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=52 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

- +a) 2.420E+00 m
- -b) 2.662E+00 m
- -c) 2.928E+00 m
- -d) 3.221E+00 m
- -e) 3.543E+00 m

- -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 8:V0[edit]

QB153099154202

1) An empty parallel-plate capacitor with metal plates has an area of 2.78 m^{2}, 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

_{1}=19.2 μF, C

_{2}=2.86 μF, and C

_{3}=5.03 μF. The voltage source provides ε=9.46 V. What is the charge on C

_{1}?

- a) 4.809E+01 μC
- b) 5.290E+01 μC
- c) 5.819E+01 μC
- d) 6.401E+01 μC
- e) 7.041E+01 μC

_{1}=2.25 μF, C

_{2}=4.16 μF, and C

_{3}=2.49 μF in the configuration shown?

- a) 2.698E+00 μF
- b) 2.968E+00 μF
- c) 3.265E+00 μF
- d) 3.591E+00 μF
- e) 3.950E+00 μF

#### KEY:QB:Ch 8:V0[edit]

QB153099154202

1) An empty parallel-plate capacitor with metal plates has an area of 2.78 m^{2}, 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

_{1}=19.2 μF, C

_{2}=2.86 μF, and C

_{3}=5.03 μF. The voltage source provides ε=9.46 V. What is the charge on C

_{1}?

- -a) 4.809E+01 μC
- +b) 5.290E+01 μC
- -c) 5.819E+01 μC
- -d) 6.401E+01 μC
- -e) 7.041E+01 μC

_{1}=2.25 μF, C

_{2}=4.16 μF, and C

_{3}=2.49 μF in the configuration shown?

- -a) 2.698E+00 μF
- -b) 2.968E+00 μF
- -c) 3.265E+00 μF
- -d) 3.591E+00 μF
- +e) 3.950E+00 μF

### QB:Ch 8:V1[edit]

QB153099154202

1) An empty parallel-plate capacitor with metal plates has an area of 2.51 m^{2}, separated by 1.44 mm. How much charge does it store if the voltage is 2.230E+03 V?

- a) 2.351E+01 μC
- b) 2.586E+01 μC
- c) 2.844E+01 μC
- d) 3.129E+01 μC
- e) 3.442E+01 μC

_{1}=15.4 μF, C

_{2}=2.22 μF, and C

_{3}=4.77 μF. The voltage source provides ε=6.8 V. What is the charge on C

_{1}?

- a) 2.702E+01 μC
- b) 2.972E+01 μC
- c) 3.269E+01 μC
- d) 3.596E+01 μC
- e) 3.956E+01 μC

_{1}=3.25 μF, C

_{2}=4.87 μF, and C

_{3}=2.19 μF in the configuration shown?

- a) 4.139E+00 μF
- b) 4.553E+00 μF
- c) 5.008E+00 μF
- d) 5.509E+00 μF
- e) 6.060E+00 μF

#### KEY:QB:Ch 8:V1[edit]

QB153099154202

1) An empty parallel-plate capacitor with metal plates has an area of 2.51 m^{2}, separated by 1.44 mm. How much charge does it store if the voltage is 2.230E+03 V?

- -a) 2.351E+01 μC
- -b) 2.586E+01 μC
- -c) 2.844E+01 μC
- -d) 3.129E+01 μC
- +e) 3.442E+01 μC

_{1}=15.4 μF, C

_{2}=2.22 μF, and C

_{3}=4.77 μF. The voltage source provides ε=6.8 V. What is the charge on C

_{1}?

- -a) 2.702E+01 μC
- -b) 2.972E+01 μC
- +c) 3.269E+01 μC
- -d) 3.596E+01 μC
- -e) 3.956E+01 μC

_{1}=3.25 μF, C

_{2}=4.87 μF, and C

_{3}=2.19 μF in the configuration shown?

- +a) 4.139E+00 μF
- -b) 4.553E+00 μF
- -c) 5.008E+00 μF
- -d) 5.509E+00 μF
- -e) 6.060E+00 μF

### QB:Ch 8:V2[edit]

QB153099154202

_{1}=17.9 μF, C

_{2}=2.76 μF, and C

_{3}=5.12 μF. The voltage source provides ε=13.2 V. What is the charge on C

_{1}?

- 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

2) An empty parallel-plate capacitor with metal plates has an area of 2.42 m^{2}, separated by 1.33 mm. How much charge does it store if the voltage is 1.130E+03 V?

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

_{1}=4.13 μF, C

_{2}=3.56 μF, and C

_{3}=3.57 μF in the configuration shown?

- a) 5.482E+00 μF
- b) 6.030E+00 μF
- c) 6.633E+00 μF
- d) 7.296E+00 μF
- e) 8.026E+00 μF

#### KEY:QB:Ch 8:V2[edit]

QB153099154202

_{1}=17.9 μF, C

_{2}=2.76 μF, and C

_{3}=5.12 μF. The voltage source provides ε=13.2 V. What is the charge on C

_{1}?

- -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

2) An empty parallel-plate capacitor with metal plates has an area of 2.42 m^{2}, separated by 1.33 mm. How much charge does it store if the voltage is 1.130E+03 V?

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

_{1}=4.13 μF, C

_{2}=3.56 μF, and C

_{3}=3.57 μF in the configuration shown?

- +a) 5.482E+00 μF
- -b) 6.030E+00 μF
- -c) 6.633E+00 μF
- -d) 7.296E+00 μF
- -e) 8.026E+00 μF

### QB:Ch 9:V0[edit]

QB153099154202

1) A device requires consumes 172 W of power and requires 2.21 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

- a) 3.157E+05 A/m
^{2} - b) 3.472E+05 A/m
^{2} - c) 3.820E+05 A/m
^{2} - d) 4.202E+05 A/m
^{2} - e) 4.622E+05 A/m
^{2}

2) Calculate the resistance of a 12-gauge copper wire that is 52 m long and carries a current of 99 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm^{2}.

- a) 1.983E-01 Ω
- b) 2.181E-01 Ω
- c) 2.399E-01 Ω
- d) 2.639E-01 Ω
- e) 2.903E-01 Ω

3) What is consumer cost to operate one 57−W incandescent bulb for 11 hours per day for 1 year (365 days) if the cost of electricity is $0.146 per kilowatt-hour?

- a) $2.282E+01
- b) $2.510E+01
- c) $2.761E+01
- d) $3.038E+01
- e) $3.341E+01

#### KEY:QB:Ch 9:V0[edit]

QB153099154202

1) A device requires consumes 172 W of power and requires 2.21 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

- -a) 3.157E+05 A/m
^{2} - -b) 3.472E+05 A/m
^{2} - -c) 3.820E+05 A/m
^{2} - +d) 4.202E+05 A/m
^{2} - -e) 4.622E+05 A/m
^{2}

2) Calculate the resistance of a 12-gauge copper wire that is 52 m long and carries a current of 99 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm^{2}.

- -a) 1.983E-01 Ω
- -b) 2.181E-01 Ω
- -c) 2.399E-01 Ω
- +d) 2.639E-01 Ω
- -e) 2.903E-01 Ω

3) What is consumer cost to operate one 57−W incandescent bulb for 11 hours per day for 1 year (365 days) if the cost of electricity is $0.146 per kilowatt-hour?

- -a) $2.282E+01
- -b) $2.510E+01
- -c) $2.761E+01
- -d) $3.038E+01
- +e) $3.341E+01

### QB:Ch 9:V1[edit]

QB153099154202

1) What is consumer cost to operate one 73−W incandescent bulb for 11 hours per day for 1 year (365 days) if the cost of electricity is $0.113 per kilowatt-hour?

- a) $3.312E+01
- b) $3.643E+01
- c) $4.007E+01
- d) $4.408E+01
- e) $4.849E+01

2) A device requires consumes 172 W of power and requires 2.21 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

- a) 3.157E+05 A/m
^{2} - b) 3.472E+05 A/m
^{2} - c) 3.820E+05 A/m
^{2} - d) 4.202E+05 A/m
^{2} - e) 4.622E+05 A/m
^{2}

3) 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 mm^{2}.

- 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

#### KEY:QB:Ch 9:V1[edit]

QB153099154202

1) What is consumer cost to operate one 73−W incandescent bulb for 11 hours per day for 1 year (365 days) if the cost of electricity is $0.113 per kilowatt-hour?

- +a) $3.312E+01
- -b) $3.643E+01
- -c) $4.007E+01
- -d) $4.408E+01
- -e) $4.849E+01

2) A device requires consumes 172 W of power and requires 2.21 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

- -a) 3.157E+05 A/m
^{2} - -b) 3.472E+05 A/m
^{2} - -c) 3.820E+05 A/m
^{2} - +d) 4.202E+05 A/m
^{2} - -e) 4.622E+05 A/m
^{2}

3) 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 mm^{2}.

- -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

### QB:Ch 9:V2[edit]

QB153099154202

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

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

2) What is consumer cost to operate one 73−W incandescent bulb for 11 hours per day for 1 year (365 days) if the cost of electricity is $0.113 per kilowatt-hour?

- a) $3.312E+01
- b) $3.643E+01
- c) $4.007E+01
- d) $4.408E+01
- e) $4.849E+01

3) A device requires consumes 177 W of power and requires 6.82 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

- a) 9.741E+05 A/m
^{2} - b) 1.072E+06 A/m
^{2} - c) 1.179E+06 A/m
^{2} - d) 1.297E+06 A/m
^{2} - e) 1.426E+06 A/m
^{2}

#### KEY:QB:Ch 9:V2[edit]

QB153099154202

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

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

2) What is consumer cost to operate one 73−W incandescent bulb for 11 hours per day for 1 year (365 days) if the cost of electricity is $0.113 per kilowatt-hour?

- +a) $3.312E+01
- -b) $3.643E+01
- -c) $4.007E+01
- -d) $4.408E+01
- -e) $4.849E+01

3) A device requires consumes 177 W of power and requires 6.82 A of current which is supplied by a single core 10-guage (2.588 mm diameter) wire. Find the magnitude of the average current density.

- -a) 9.741E+05 A/m
^{2} - -b) 1.072E+06 A/m
^{2} - -c) 1.179E+06 A/m
^{2} - +d) 1.297E+06 A/m
^{2} - -e) 1.426E+06 A/m
^{2}

### QB:Ch 10:V0[edit]

QB153099154202

_{1}=39.4 V, and ε

_{2}=12.2 V are oriented as shownin the circuit. The resistances are R

_{1}=3.84 kΩ and R

_{2}=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. I

_{3}=2.71 mA and I

_{4}=0.669 mA enter and leave near R

_{2}, while the current I

_{5}exits near R

_{1}.What is the magnitude (absolute value) of voltage drop across R

_{2}?

- 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

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) Three resistors, R_{1} = 0.624 Ω, and R_{2} = R_{2} = 1.37 Ω, are connected in parallel to a 7.46 V voltage source. Calculate the power dissipated by the smaller resistor (R_{1}.)

- a) 7.371E+01 W
- b) 8.108E+01 W
- c) 8.919E+01 W
- d) 9.810E+01 W
- e) 1.079E+02 W

#### KEY:QB:Ch 10:V0[edit]

QB153099154202

_{1}=39.4 V, and ε

_{2}=12.2 V are oriented as shownin the circuit. The resistances are R

_{1}=3.84 kΩ and R

_{2}=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. I

_{3}=2.71 mA and I

_{4}=0.669 mA enter and leave near R

_{2}, while the current I

_{5}exits near R

_{1}.What is the magnitude (absolute value) of voltage drop across R

_{2}?

- -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

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) Three resistors, R_{1} = 0.624 Ω, and R_{2} = R_{2} = 1.37 Ω, are connected in parallel to a 7.46 V voltage source. Calculate the power dissipated by the smaller resistor (R_{1}.)

- -a) 7.371E+01 W
- -b) 8.108E+01 W
- +c) 8.919E+01 W
- -d) 9.810E+01 W
- -e) 1.079E+02 W

### QB:Ch 10:V1[edit]

QB153099154202

_{1}=14.3 V, and ε

_{2}=5.6 V are oriented as shownin the circuit. The resistances are R

_{1}=5.31 kΩ and R

_{2}=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. I

_{3}=1.12 mA and I

_{4}=0.284 mA enter and leave near R

_{2}, while the current I

_{5}exits near R

_{1}.What is the magnitude (absolute value) of voltage drop across R

_{2}?

- 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) Three resistors, R_{1} = 1.31 Ω, and R_{2} = R_{2} = 2.91 Ω, are connected in parallel to a 6.03 V voltage source. Calculate the power dissipated by the smaller resistor (R_{1}.)

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

3) 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

#### KEY:QB:Ch 10:V1[edit]

QB153099154202

_{1}=14.3 V, and ε

_{2}=5.6 V are oriented as shownin the circuit. The resistances are R

_{1}=5.31 kΩ and R

_{2}=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. I

_{3}=1.12 mA and I

_{4}=0.284 mA enter and leave near R

_{2}, while the current I

_{5}exits near R

_{1}.What is the magnitude (absolute value) of voltage drop across R

_{2}?

- -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) Three resistors, R_{1} = 1.31 Ω, and R_{2} = R_{2} = 2.91 Ω, are connected in parallel to a 6.03 V voltage source. Calculate the power dissipated by the smaller resistor (R_{1}.)

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

3) 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

### QB:Ch 10:V2[edit]

QB153099154202

_{1}=58.5 V, and ε

_{2}=17.3 V are oriented as shownin the circuit. The resistances are R

_{1}=3.06 kΩ and R

_{2}=1.88 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I

_{3}=5.25 mA and I

_{4}=1.25 mA enter and leave near R

_{2}, while the current I

_{5}exits near R

_{1}.What is the magnitude (absolute value) of voltage drop across R

_{2}?

- a) 1.981E+01 V
- b) 2.179E+01 V
- c) 2.397E+01 V
- d) 2.637E+01 V
- e) 2.901E+01 V

2) 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

3) Three resistors, R_{1} = 0.548 Ω, and R_{2} = R_{2} = 1.24 Ω, are connected in parallel to a 7.16 V voltage source. Calculate the power dissipated by the smaller resistor (R_{1}.)

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

#### KEY:QB:Ch 10:V2[edit]

QB153099154202

_{1}=58.5 V, and ε

_{2}=17.3 V are oriented as shownin the circuit. The resistances are R

_{1}=3.06 kΩ and R

_{2}=1.88 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I

_{3}=5.25 mA and I

_{4}=1.25 mA enter and leave near R

_{2}, while the current I

_{5}exits near R

_{1}.What is the magnitude (absolute value) of voltage drop across R

_{2}?

- -a) 1.981E+01 V
- +b) 2.179E+01 V
- -c) 2.397E+01 V
- -d) 2.637E+01 V
- -e) 2.901E+01 V

2) 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

3) Three resistors, R_{1} = 0.548 Ω, and R_{2} = R_{2} = 1.24 Ω, are connected in parallel to a 7.16 V voltage source. Calculate the power dissipated by the smaller resistor (R_{1}.)

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

### QB:Ch 11:V0[edit]

QB153099154202

1) A cyclotron used to accelerate alpha particlesm=6.64 x 10^{−27}kg, q=3.2 x 10^{−19}C) has a radius of 0.44 m and a magneticfield of 1.31 T. What is their maximum kinetic energy?

- a) 1.323E+01 MeV
- b) 1.456E+01 MeV
- c) 1.601E+01 MeV
- d) 1.761E+01 MeV
- e) 1.937E+01 MeV

- a) 8.660E-06 V
- b) 9.526E-06 V
- c) 1.048E-05 V
- d) 1.153E-05 V
- e) 1.268E-05 V

3) An alpha-particle (m=6.64x10^{−27}kg, q=3.2x10^{−19}C) briefly enters a uniform magnetic field of magnitude 0.0243 T . It emerges after being deflected by 82° from its original direction. How much time did it spend in that magnetic field?

- a) 1.222E-06 s
- b) 1.344E-06 s
- c) 1.479E-06 s
- d) 1.627E-06 s
- e) 1.789E-06 s

#### KEY:QB:Ch 11:V0[edit]

QB153099154202

1) A cyclotron used to accelerate alpha particlesm=6.64 x 10^{−27}kg, q=3.2 x 10^{−19}C) has a radius of 0.44 m and a magneticfield of 1.31 T. What is their maximum kinetic energy?

- -a) 1.323E+01 MeV
- -b) 1.456E+01 MeV
- +c) 1.601E+01 MeV
- -d) 1.761E+01 MeV
- -e) 1.937E+01 MeV

- +a) 8.660E-06 V
- -b) 9.526E-06 V
- -c) 1.048E-05 V
- -d) 1.153E-05 V
- -e) 1.268E-05 V

3) An alpha-particle (m=6.64x10^{−27}kg, q=3.2x10^{−19}C) briefly enters a uniform magnetic field of magnitude 0.0243 T . It emerges after being deflected by 82° from its original direction. How much time did it spend in that magnetic field?

- +a) 1.222E-06 s
- -b) 1.344E-06 s
- -c) 1.479E-06 s
- -d) 1.627E-06 s
- -e) 1.789E-06 s

### QB:Ch 11:V1[edit]

QB153099154202

- a) 8.660E-06 V
- b) 9.526E-06 V
- c) 1.048E-05 V
- d) 1.153E-05 V
- e) 1.268E-05 V

2) A cyclotron used to accelerate alpha particlesm=6.64 x 10^{−27}kg, q=3.2 x 10^{−19}C) has a radius of 0.295 m and a magneticfield of 1.44 T. What is their maximum kinetic energy?

- a) 6.534E+00 MeV
- b) 7.187E+00 MeV
- c) 7.906E+00 MeV
- d) 8.697E+00 MeV
- e) 9.566E+00 MeV

3) An alpha-particle (m=6.64x10^{−27}kg, q=3.2x10^{−19}C) briefly enters a uniform magnetic field of magnitude 0.0883 T . It emerges after being deflected by 74° from its original direction. How much time did it spend in that magnetic field?

- a) 2.280E-07 s
- b) 2.508E-07 s
- c) 2.759E-07 s
- d) 3.035E-07 s
- e) 3.339E-07 s

#### KEY:QB:Ch 11:V1[edit]

QB153099154202

- +a) 8.660E-06 V
- -b) 9.526E-06 V
- -c) 1.048E-05 V
- -d) 1.153E-05 V
- -e) 1.268E-05 V

2) A cyclotron used to accelerate alpha particlesm=6.64 x 10^{−27}kg, q=3.2 x 10^{−19}C) has a radius of 0.295 m and a magneticfield of 1.44 T. What is their maximum kinetic energy?

- -a) 6.534E+00 MeV
- -b) 7.187E+00 MeV
- -c) 7.906E+00 MeV
- +d) 8.697E+00 MeV
- -e) 9.566E+00 MeV

3) An alpha-particle (m=6.64x10^{−27}kg, q=3.2x10^{−19}C) briefly enters a uniform magnetic field of magnitude 0.0883 T . It emerges after being deflected by 74° from its original direction. How much time did it spend in that magnetic field?

- -a) 2.280E-07 s
- -b) 2.508E-07 s
- -c) 2.759E-07 s
- +d) 3.035E-07 s
- -e) 3.339E-07 s

### QB:Ch 11:V2[edit]

QB153099154202

1) A cyclotron used to accelerate alpha particlesm=6.64 x 10^{−27}kg, q=3.2 x 10^{−19}C) has a radius of 0.449 m and a magneticfield of 0.81 T. What is their maximum kinetic energy?

- a) 5.795E+00 MeV
- b) 6.374E+00 MeV
- c) 7.012E+00 MeV
- d) 7.713E+00 MeV
- e) 8.484E+00 MeV

2) An alpha-particle (m=6.64x10^{−27}kg, q=3.2x10^{−19}C) briefly enters a uniform magnetic field of magnitude 0.0279 T . It emerges after being deflected by 82° from its original direction. How much time did it spend in that magnetic field?

- a) 7.270E-07 s
- b) 7.997E-07 s
- c) 8.797E-07 s
- d) 9.676E-07 s
- e) 1.064E-06 s

- a) 6.104E-06 V
- b) 6.714E-06 V
- c) 7.385E-06 V
- d) 8.124E-06 V
- e) 8.936E-06 V

#### KEY:QB:Ch 11:V2[edit]

QB153099154202

1) A cyclotron used to accelerate alpha particlesm=6.64 x 10^{−27}kg, q=3.2 x 10^{−19}C) has a radius of 0.449 m and a magneticfield of 0.81 T. What is their maximum kinetic energy?

- -a) 5.795E+00 MeV
- +b) 6.374E+00 MeV
- -c) 7.012E+00 MeV
- -d) 7.713E+00 MeV
- -e) 8.484E+00 MeV

2) An alpha-particle (m=6.64x10^{−27}kg, q=3.2x10^{−19}C) briefly enters a uniform magnetic field of magnitude 0.0279 T . It emerges after being deflected by 82° from its original direction. How much time did it spend in that magnetic field?

- -a) 7.270E-07 s
- -b) 7.997E-07 s
- -c) 8.797E-07 s
- -d) 9.676E-07 s
- +e) 1.064E-06 s

- -a) 6.104E-06 V
- -b) 6.714E-06 V
- +c) 7.385E-06 V
- -d) 8.124E-06 V
- -e) 8.936E-06 V

### QB:Ch 12:V0[edit]

QB153099154202

1) A wire carries a current of 353 A in a circular arc with radius 2.44 cm swept through 86 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

- a) 5.891E+00 Tesla
- b) 6.481E+00 Tesla
- c) 7.129E+00 Tesla
- d) 7.841E+00 Tesla
- e) 8.626E+00 Tesla

2) The Z-pinch is an (often unstable) cylindrical plasma in which a aximuthal magnetic field is produced by a current in the z direction. A simple model for the magnetic field, valid for is,

,

where is the maximum magnetic field (at ). If 0.736 m and 0.204 T, then how much current (in the z-direction) flows through a circle of radius 0.532 m that is centered on the axis with its plane perpendicular to the axis?

- a) 3.764E+05 A
- b) 4.140E+05 A
- c) 4.554E+05 A
- d) 5.010E+05 A
- e) 5.510E+05 A

_{1}, I

_{2}, I

_{2}) are (2.49 A, 1.32 A, 1.75 A), respectively. What is the y-component of the magnetic field at point P?

- a) B
_{y}= 8.962E-05 T - b) B
_{y}= 9.858E-05 T - c) B
_{y}= 1.084E-04 T - d) B
_{y}= 1.193E-04 T - e) B
_{y}= 1.312E-04 T

#### KEY:QB:Ch 12:V0[edit]

QB153099154202

1) A wire carries a current of 353 A in a circular arc with radius 2.44 cm swept through 86 degrees. Assuming that the rest of the current is 100% shielded by mu-metal, what is the magnetic field at the center of the arc?

- -a) 5.891E+00 Tesla
- -b) 6.481E+00 Tesla
- +c) 7.129E+00 Tesla
- -d) 7.841E+00 Tesla
- -e) 8.626E+00 Tesla

2) The Z-pinch is an (often unstable) cylindrical plasma in which a aximuthal magnetic field is produced by a current in the z direction. A simple model for the magnetic field, valid for is,

,

where is the maximum magnetic field (at ). If 0.736 m and 0.204 T, then how much current (in the z-direction) flows through a circle of radius 0.532 m that is centered on the axis with its plane perpendicular to the axis?

- -a) 3.764E+05 A
- -b) 4.140E+05 A
- -c) 4.554E+05 A
- +d) 5.010E+05 A
- -e) 5.510E+05 A

_{1}, I

_{2}, I

_{2}) are (2.49 A, 1.32 A, 1.75 A), respectively. What is the y-component of the magnetic field at point P?

- +a) B
_{y}= 8.962E-05 T - -b) B
_{y}= 9.858E-05 T - -c) B
_{y}= 1.084E-04 T - -d) B
_{y}= 1.193E-04 T - -e) B
_{y}= 1.312E-04 T

### QB:Ch 12:V1[edit]

QB153099154202

1) The Z-pinch is an (often unstable) cylindrical plasma in which a aximuthal magnetic field is produced by a current in the z direction. A simple model for the magnetic field, valid for is,

,

where is the maximum magnetic field (at ). If 0.37 m and 0.556 T, then how much current (in the z-direction) flows through a circle of radius 0.14 m that is centered on the axis with its plane perpendicular to the axis?

- a) 2.171E+05 A
- b) 2.388E+05 A
- c) 2.627E+05 A
- d) 2.890E+05 A
- e) 3.179E+05 A

2) A wire carries a current of 250 A in a circular arc with radius 2.17 cm swept through 53 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) 3.498E+00 Tesla
- b) 3.848E+00 Tesla
- c) 4.233E+00 Tesla
- d) 4.656E+00 Tesla
- e) 5.122E+00 Tesla

_{1}, I

_{2}, I

_{2}) are (1.68 A, 2.44 A, 2.47 A), respectively. What is the y-component of the magnetic field at point P?

- a) B
_{y}= 6.091E-05 T - b) B
_{y}= 6.700E-05 T - c) B
_{y}= 7.370E-05 T - d) B
_{y}= 8.107E-05 T - e) B
_{y}= 8.917E-05 T

#### KEY:QB:Ch 12:V1[edit]

QB153099154202

1) The Z-pinch is an (often unstable) cylindrical plasma in which a aximuthal magnetic field is produced by a current in the z direction. A simple model for the magnetic field, valid for is,

,

where is the maximum magnetic field (at ). If 0.37 m and 0.556 T, then how much current (in the z-direction) flows through a circle of radius 0.14 m that is centered on the axis with its plane perpendicular to the axis?

- -a) 2.171E+05 A
- +b) 2.388E+05 A
- -c) 2.627E+05 A
- -d) 2.890E+05 A
- -e) 3.179E+05 A

2) A wire carries a current of 250 A in a circular arc with radius 2.17 cm swept through 53 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) 3.498E+00 Tesla
- -b) 3.848E+00 Tesla
- -c) 4.233E+00 Tesla
- -d) 4.656E+00 Tesla
- -e) 5.122E+00 Tesla

_{1}, I

_{2}, I

_{2}) are (1.68 A, 2.44 A, 2.47 A), respectively. What is the y-component of the magnetic field at point P?

- -a) B
_{y}= 6.091E-05 T - -b) B
_{y}= 6.700E-05 T - +c) B
_{y}= 7.370E-05 T - -d) B
_{y}= 8.107E-05 T - -e) B
_{y}= 8.917E-05 T

### QB:Ch 12:V2[edit]

QB153099154202

1) A wire carries a current of 306 A in a circular arc with radius 2.04 cm swept through 55 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) 3.551E+00 Tesla
- b) 3.907E+00 Tesla
- c) 4.297E+00 Tesla
- d) 4.727E+00 Tesla
- e) 5.200E+00 Tesla

_{1}, I

_{2}, I

_{2}) are (2.45 A, 1.66 A, 1.63 A), respectively. What is the y-component of the magnetic field at point P?

- a) B
_{y}= 1.205E-04 T - b) B
_{y}= 1.325E-04 T - c) B
_{y}= 1.458E-04 T - d) B
_{y}= 1.604E-04 T - e) B
_{y}= 1.764E-04 T

3) The Z-pinch is an (often unstable) cylindrical plasma in which a aximuthal magnetic field is produced by a current in the z direction. A simple model for the magnetic field, valid for is,

,

where is the maximum magnetic field (at ). If 0.248 m and 0.459 T, then how much current (in the z-direction) flows through a circle of radius 0.152 m that is centered on the axis with its plane perpendicular to the axis?

- a) 2.228E+05 A
- b) 2.451E+05 A
- c) 2.696E+05 A
- d) 2.966E+05 A
- e) 3.262E+05 A

#### KEY:QB:Ch 12:V2[edit]

QB153099154202

1) A wire carries a current of 306 A in a circular arc with radius 2.04 cm swept through 55 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) 3.551E+00 Tesla
- -b) 3.907E+00 Tesla
- -c) 4.297E+00 Tesla
- +d) 4.727E+00 Tesla
- -e) 5.200E+00 Tesla

_{1}, I

_{2}, I

_{2}) are (2.45 A, 1.66 A, 1.63 A), respectively. What is the y-component of the magnetic field at point P?

- -a) B
_{y}= 1.205E-04 T - +b) B
_{y}= 1.325E-04 T - -c) B
_{y}= 1.458E-04 T - -d) B
_{y}= 1.604E-04 T - -e) B
_{y}= 1.764E-04 T

3) The Z-pinch is an (often unstable) cylindrical plasma in which a aximuthal magnetic field is produced by a current in the z direction. A simple model for the magnetic field, valid for is,

,

where is the maximum magnetic field (at ). If 0.248 m and 0.459 T, then how much current (in the z-direction) flows through a circle of radius 0.152 m that is centered on the axis with its plane perpendicular to the axis?

- -a) 2.228E+05 A
- -b) 2.451E+05 A
- -c) 2.696E+05 A
- +d) 2.966E+05 A
- -e) 3.262E+05 A

### QB:Ch 13:V0[edit]

QB153099154202

1) A long solenoid has a radius of 0.851 m and 12 turns per meter; its current decreases with time according to , where 3 A and 30 s^{−1}.What is the induced electric fied at a distance 0.14 m from the axis at time t=0.0531 s ?

- a) 1.319E-05 V/m
- b) 1.451E-05 V/m
- c) 1.596E-05 V/m
- d) 1.756E-05 V/m
- e) 1.932E-05 V/m

2) A square coil has sides that are L= 0.458 m long and is tightly wound with N=742 turns of wire. The resistance of the coil is R=6.81 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=0.0559 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

- a) 1.056E+00 A
- b) 1.161E+00 A
- c) 1.278E+00 A
- d) 1.405E+00 A
- e) 1.546E+00 A

3) Calculate the motional emf induced along a 46.2 km conductor moving at an orbital speed of 7.9 km/s perpendicular to Earth's 4.630E-05 Tesla magnetic field.

- a) 1.536E+04 V
- b) 1.690E+04 V
- c) 1.859E+04 V
- d) 2.045E+04 V
- e) 2.249E+04 V

#### KEY:QB:Ch 13:V0[edit]

QB153099154202

1) A long solenoid has a radius of 0.851 m and 12 turns per meter; its current decreases with time according to , where 3 A and 30 s^{−1}.What is the induced electric fied at a distance 0.14 m from the axis at time t=0.0531 s ?

- -a) 1.319E-05 V/m
- -b) 1.451E-05 V/m
- -c) 1.596E-05 V/m
- -d) 1.756E-05 V/m
- +e) 1.932E-05 V/m

2) A square coil has sides that are L= 0.458 m long and is tightly wound with N=742 turns of wire. The resistance of the coil is R=6.81 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=0.0559 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

- -a) 1.056E+00 A
- -b) 1.161E+00 A
- +c) 1.278E+00 A
- -d) 1.405E+00 A
- -e) 1.546E+00 A

3) Calculate the motional emf induced along a 46.2 km conductor moving at an orbital speed of 7.9 km/s perpendicular to Earth's 4.630E-05 Tesla magnetic field.

- -a) 1.536E+04 V
- +b) 1.690E+04 V
- -c) 1.859E+04 V
- -d) 2.045E+04 V
- -e) 2.249E+04 V

### QB:Ch 13:V1[edit]

QB153099154202

1) Calculate the motional emf induced along a 49.5 km conductor moving at an orbital speed of 7.77 km/s perpendicular to Earth's 5.310E-05 Tesla magnetic field.

- a) 1.395E+04 V
- b) 1.534E+04 V
- c) 1.688E+04 V
- d) 1.857E+04 V
- e) 2.042E+04 V

2) 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

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

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

#### KEY:QB:Ch 13:V1[edit]

QB153099154202

1) Calculate the motional emf induced along a 49.5 km conductor moving at an orbital speed of 7.77 km/s perpendicular to Earth's 5.310E-05 Tesla magnetic field.

- -a) 1.395E+04 V
- -b) 1.534E+04 V
- -c) 1.688E+04 V
- -d) 1.857E+04 V
- +e) 2.042E+04 V

2) 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

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

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

### QB:Ch 13:V2[edit]

QB153099154202

1) A long solenoid has a radius of 0.447 m and 85 turns per meter; its current decreases with time according to , where 7 A and 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

2) Calculate the motional emf induced along a 25.2 km conductor moving at an orbital speed of 7.72 km/s perpendicular to Earth's 4.900E-05 Tesla magnetic field.

- a) 7.162E+03 V
- b) 7.878E+03 V
- c) 8.666E+03 V
- d) 9.533E+03 V
- e) 1.049E+04 V

3) A square coil has sides that are L= 0.738 m long and is tightly wound with N=717 turns of wire. The resistance of the coil is R=5.25 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=0.0655 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

- a) 3.660E+00 A
- b) 4.027E+00 A
- c) 4.429E+00 A
- d) 4.872E+00 A
- e) 5.359E+00 A

#### KEY:QB:Ch 13:V2[edit]

QB153099154202

1) A long solenoid has a radius of 0.447 m and 85 turns per meter; its current decreases with time according to , where 7 A and 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

2) Calculate the motional emf induced along a 25.2 km conductor moving at an orbital speed of 7.72 km/s perpendicular to Earth's 4.900E-05 Tesla magnetic field.

- -a) 7.162E+03 V
- -b) 7.878E+03 V
- -c) 8.666E+03 V
- +d) 9.533E+03 V
- -e) 1.049E+04 V

3) A square coil has sides that are L= 0.738 m long and is tightly wound with N=717 turns of wire. The resistance of the coil is R=5.25 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=0.0655 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?

- -a) 3.660E+00 A
- -b) 4.027E+00 A
- -c) 4.429E+00 A
- +d) 4.872E+00 A
- -e) 5.359E+00 A

### QB:Ch 14:V0[edit]

QB153099154202

- a) 2.917E-02 V
- b) 3.208E-02 V
- c) 3.529E-02 V
- d) 3.882E-02 V
- e) 4.270E-02 V

2) In an LC circuit, the self-inductance is 0.0464 H and the capacitance is 7.350E-06 F. At t=0 all the energy is stored in the capacitor, which has a charge of 3.280E-05 C. How long does it take for the capacitor to become completely discharged?

- a) 8.339E-04 s
- b) 9.173E-04 s
- c) 1.009E-03 s
- d) 1.110E-03 s
- e) 1.221E-03 s

_{1}in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S

_{1}is opened as as S

_{2}is closed. How long will it take for the energy stored in the inductor to be reduced to 1.82% of its maximum value if ε = 8.65 V , R = 3.02 Ω, and L = 1.75 H?

- a) -9.593E-01 s
- b) -1.055E+00 s
- c) -1.161E+00 s
- d) -1.277E+00 s
- e) -1.405E+00 s

#### KEY:QB:Ch 14:V0[edit]

QB153099154202

- -a) 2.917E-02 V
- +b) 3.208E-02 V
- -c) 3.529E-02 V
- -d) 3.882E-02 V
- -e) 4.270E-02 V

2) In an LC circuit, the self-inductance is 0.0464 H and the capacitance is 7.350E-06 F. At t=0 all the energy is stored in the capacitor, which has a charge of 3.280E-05 C. How long does it take for the capacitor to become completely discharged?

- -a) 8.339E-04 s
- +b) 9.173E-04 s
- -c) 1.009E-03 s
- -d) 1.110E-03 s
- -e) 1.221E-03 s

_{1}in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S

_{1}is opened as as S

_{2}is closed. How long will it take for the energy stored in the inductor to be reduced to 1.82% of its maximum value if ε = 8.65 V , R = 3.02 Ω, and L = 1.75 H?

- -a) -9.593E-01 s
- -b) -1.055E+00 s
- +c) -1.161E+00 s
- -d) -1.277E+00 s
- -e) -1.405E+00 s

### QB:Ch 14:V1[edit]

QB153099154202

_{1}in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S

_{1}is opened as as S

_{2}is closed. How long will it take for the energy stored in the inductor to be reduced to 2.54% of its maximum value if ε = 2.46 V , R = 2.8 Ω, and L = 5.67 H?

- a) -2.540E+00 s
- b) -2.794E+00 s
- c) -3.073E+00 s
- d) -3.381E+00 s
- e) -3.719E+00 s

- a) 2.328E-02 V
- b) 2.560E-02 V
- c) 2.817E-02 V
- d) 3.098E-02 V
- e) 3.408E-02 V

3) In an LC circuit, the self-inductance is 0.0464 H and the capacitance is 7.350E-06 F. At t=0 all the energy is stored in the capacitor, which has a charge of 3.280E-05 C. How long does it take for the capacitor to become completely discharged?

- a) 8.339E-04 s
- b) 9.173E-04 s
- c) 1.009E-03 s
- d) 1.110E-03 s
- e) 1.221E-03 s

#### KEY:QB:Ch 14:V1[edit]

QB153099154202

_{1}in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S

_{1}is opened as as S

_{2}is closed. How long will it take for the energy stored in the inductor to be reduced to 2.54% of its maximum value if ε = 2.46 V , R = 2.8 Ω, and L = 5.67 H?

- -a) -2.540E+00 s
- -b) -2.794E+00 s
- -c) -3.073E+00 s
- -d) -3.381E+00 s
- +e) -3.719E+00 s

- -a) 2.328E-02 V
- +b) 2.560E-02 V
- -c) 2.817E-02 V
- -d) 3.098E-02 V
- -e) 3.408E-02 V

3) In an LC circuit, the self-inductance is 0.0464 H and the capacitance is 7.350E-06 F. At t=0 all the energy is stored in the capacitor, which has a charge of 3.280E-05 C. How long does it take for the capacitor to become completely discharged?

- -a) 8.339E-04 s
- +b) 9.173E-04 s
- -c) 1.009E-03 s
- -d) 1.110E-03 s
- -e) 1.221E-03 s

### QB:Ch 14:V2[edit]

QB153099154202

- a) 3.446E-02 V
- b) 3.790E-02 V
- c) 4.169E-02 V
- d) 4.586E-02 V
- e) 5.045E-02 V

_{1}in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S

_{1}is opened as as S

_{2}is closed. How long will it take for the energy stored in the inductor to be reduced to 1.82% of its maximum value if ε = 8.65 V , R = 3.02 Ω, and L = 1.75 H?

- a) -9.593E-01 s
- b) -1.055E+00 s
- c) -1.161E+00 s
- d) -1.277E+00 s
- e) -1.405E+00 s

3) In an LC circuit, the self-inductance is 0.0216 H and the capacitance is 6.450E-06 F. At t=0 all the energy is stored in the capacitor, which has a charge of 1.240E-05 C. How long does it take for the capacitor to become completely discharged?

- a) 4.846E-04 s
- b) 5.330E-04 s
- c) 5.863E-04 s
- d) 6.449E-04 s
- e) 7.094E-04 s

#### KEY:QB:Ch 14:V2[edit]

QB153099154202

- +a) 3.446E-02 V
- -b) 3.790E-02 V
- -c) 4.169E-02 V
- -d) 4.586E-02 V
- -e) 5.045E-02 V

_{1}in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S

_{1}is opened as as S

_{2}is closed. How long will it take for the energy stored in the inductor to be reduced to 1.82% of its maximum value if ε = 8.65 V , R = 3.02 Ω, and L = 1.75 H?

- -a) -9.593E-01 s
- -b) -1.055E+00 s
- +c) -1.161E+00 s
- -d) -1.277E+00 s
- -e) -1.405E+00 s

3) In an LC circuit, the self-inductance is 0.0216 H and the capacitance is 6.450E-06 F. At t=0 all the energy is stored in the capacitor, which has a charge of 1.240E-05 C. How long does it take for the capacitor to become completely discharged?

- -a) 4.846E-04 s
- -b) 5.330E-04 s
- +c) 5.863E-04 s
- -d) 6.449E-04 s
- -e) 7.094E-04 s

### QB:Ch 15:V0[edit]

QB153099154202

1) A step-down transformer steps 15 kV down to 250 V. The high-voltage input is provided by a 130 Ω power line that carries 4 A of currentWhat is the output current (at the 250 V side ?)

- a) 1.983E+02 A
- b) 2.182E+02 A
- c) 2.400E+02 A
- d) 2.640E+02 A
- e) 2.904E+02 A

2) An ac generator produces an emf of amplitude 50 V at a frequency of 47 Hz. What is the maximum amplitude of the current if the generator is connected to a 88 mF capacitor?

- a) 1.074E+00 A
- b) 1.181E+00 A
- c) 1.299E+00 A
- d) 1.429E+00 A
- e) 1.572E+00 A

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

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

#### KEY:QB:Ch 15:V0[edit]

QB153099154202

1) A step-down transformer steps 15 kV down to 250 V. The high-voltage input is provided by a 130 Ω power line that carries 4 A of currentWhat is the output current (at the 250 V side ?)

- -a) 1.983E+02 A
- -b) 2.182E+02 A
- +c) 2.400E+02 A
- -d) 2.640E+02 A
- -e) 2.904E+02 A

2) An ac generator produces an emf of amplitude 50 V at a frequency of 47 Hz. What is the maximum amplitude of the current if the generator is connected to a 88 mF capacitor?

- -a) 1.074E+00 A
- -b) 1.181E+00 A
- +c) 1.299E+00 A
- -d) 1.429E+00 A
- -e) 1.572E+00 A

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

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

### QB:Ch 15:V1[edit]

QB153099154202

1) The output of an ac generator connected to an RLC series combination has a frequency of 5.00E+04 Hz and an amplitude of 5 V. If R =6 Ω, L= 2.50E-03H , and C=5.20E-06 F, what is the rms power transferred to the resistor?

- a) 5.097E-03 Watts
- b) 5.607E-03 Watts
- c) 6.167E-03 Watts
- d) 6.784E-03 Watts
- e) 7.463E-03 Watts

2) An ac generator produces an emf of amplitude 64 V at a frequency of 100 Hz. What is the maximum amplitude of the current if the generator is connected to a 32 mF capacitor?

- a) 1.170E+00 A
- b) 1.287E+00 A
- c) 1.415E+00 A
- d) 1.557E+00 A
- e) 1.713E+00 A

3) A step-down transformer steps 9 kV down to 210 V. The high-voltage input is provided by a 170 Ω power line that carries 5 A of currentWhat is the output current (at the 210 V side ?)

- a) 1.948E+02 A
- b) 2.143E+02 A
- c) 2.357E+02 A
- d) 2.593E+02 A
- e) 2.852E+02 A

#### KEY:QB:Ch 15:V1[edit]

QB153099154202

1) The output of an ac generator connected to an RLC series combination has a frequency of 5.00E+04 Hz and an amplitude of 5 V. If R =6 Ω, L= 2.50E-03H , and C=5.20E-06 F, what is the rms power transferred to the resistor?

- +a) 5.097E-03 Watts
- -b) 5.607E-03 Watts
- -c) 6.167E-03 Watts
- -d) 6.784E-03 Watts
- -e) 7.463E-03 Watts

2) An ac generator produces an emf of amplitude 64 V at a frequency of 100 Hz. What is the maximum amplitude of the current if the generator is connected to a 32 mF capacitor?

- -a) 1.170E+00 A
- +b) 1.287E+00 A
- -c) 1.415E+00 A
- -d) 1.557E+00 A
- -e) 1.713E+00 A

3) A step-down transformer steps 9 kV down to 210 V. The high-voltage input is provided by a 170 Ω power line that carries 5 A of currentWhat is the output current (at the 210 V side ?)

- -a) 1.948E+02 A
- +b) 2.143E+02 A
- -c) 2.357E+02 A
- -d) 2.593E+02 A
- -e) 2.852E+02 A

### QB:Ch 15:V2[edit]

QB153099154202

1) The output of an ac generator connected to an RLC series combination has a frequency of 6.00E+04 Hz and an amplitude of 2 V. If R =3 Ω, L= 7.20E-03H , and C=6.50E-06 F, what is the rms power transferred to the resistor?

- a) 2.222E-05 Watts
- b) 2.444E-05 Watts
- c) 2.689E-05 Watts
- d) 2.958E-05 Watts
- e) 3.253E-05 Watts

2) An ac generator produces an emf of amplitude 4 V at a frequency of 160 Hz. What is the maximum amplitude of the current if the generator is connected to a 19 mF capacitor?

- a) 6.946E-02 A
- b) 7.640E-02 A
- c) 8.404E-02 A
- d) 9.245E-02 A
- e) 1.017E-01 A

3) A step-down transformer steps 18 kV down to 230 V. The high-voltage input is provided by a 250 Ω power line that carries 8 A of currentWhat is the output current (at the 230 V side ?)

- a) 5.174E+02 A
- b) 5.692E+02 A
- c) 6.261E+02 A
- d) 6.887E+02 A
- e) 7.576E+02 A

#### KEY:QB:Ch 15:V2[edit]

QB153099154202

1) The output of an ac generator connected to an RLC series combination has a frequency of 6.00E+04 Hz and an amplitude of 2 V. If R =3 Ω, L= 7.20E-03H , and C=6.50E-06 F, what is the rms power transferred to the resistor?

- -a) 2.222E-05 Watts
- -b) 2.444E-05 Watts
- -c) 2.689E-05 Watts
- -d) 2.958E-05 Watts
- +e) 3.253E-05 Watts

2) An ac generator produces an emf of amplitude 4 V at a frequency of 160 Hz. What is the maximum amplitude of the current if the generator is connected to a 19 mF capacitor?

- -a) 6.946E-02 A
- +b) 7.640E-02 A
- -c) 8.404E-02 A
- -d) 9.245E-02 A
- -e) 1.017E-01 A

3) A step-down transformer steps 18 kV down to 230 V. The high-voltage input is provided by a 250 Ω power line that carries 8 A of currentWhat is the output current (at the 230 V side ?)

- -a) 5.174E+02 A
- -b) 5.692E+02 A
- +c) 6.261E+02 A
- -d) 6.887E+02 A
- -e) 7.576E+02 A

### QB:Ch 16:V0[edit]

QB153099154202

^{2}and separation d=8.30E-03 m is connected via a swith to a 67 Ω resistor and a battery of voltage V

_{0}=8 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=1.40E-03?

- a) 5.946E+00 V
- b) 6.541E+00 V
- c) 7.195E+00 V
- d) 7.914E+00 V
- e) 8.706E+00 V

2) What is the radiation force on an object that is 1.70E+11 m away from the sun and has cross-sectional area of 0.033 m^{2}? The average power output of the Sun is 3.80E+26 W.

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

3) A 59 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 84 kW?

- a) 9.780E+01 km
- b) 1.076E+02 km
- c) 1.183E+02 km
- d) 1.302E+02 km
- e) 1.432E+02 km

#### KEY:QB:Ch 16:V0[edit]

QB153099154202

^{2}and separation d=8.30E-03 m is connected via a swith to a 67 Ω resistor and a battery of voltage V

_{0}=8 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=1.40E-03?

- -a) 5.946E+00 V
- -b) 6.541E+00 V
- +c) 7.195E+00 V
- -d) 7.914E+00 V
- -e) 8.706E+00 V

2) What is the radiation force on an object that is 1.70E+11 m away from the sun and has cross-sectional area of 0.033 m^{2}? The average power output of the Sun is 3.80E+26 W.

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

3) A 59 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 84 kW?

- -a) 9.780E+01 km
- -b) 1.076E+02 km
- -c) 1.183E+02 km
- -d) 1.302E+02 km
- +e) 1.432E+02 km

### QB:Ch 16:V1[edit]

QB153099154202

^{2}and separation d=3.40E-03 m is connected via a swith to a 61 Ω resistor and a battery of voltage V

_{0}=77 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=1.70E-03?

- a) 5.131E+01 V
- b) 5.644E+01 V
- c) 6.209E+01 V
- d) 6.830E+01 V
- e) 7.513E+01 V

2) What is the radiation force on an object that is 9.90E+11 m away from the sun and has cross-sectional area of 0.083 m^{2}? The average power output of the Sun is 3.80E+26 W.

- a) 1.167E-08 N
- b) 1.284E-08 N
- c) 1.412E-08 N
- d) 1.553E-08 N
- e) 1.708E-08 N

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[edit]

QB153099154202

^{2}and separation d=3.40E-03 m is connected via a swith to a 61 Ω resistor and a battery of voltage V

_{0}=77 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=1.70E-03?

- -a) 5.131E+01 V
- -b) 5.644E+01 V
- -c) 6.209E+01 V
- -d) 6.830E+01 V
- +e) 7.513E+01 V

2) What is the radiation force on an object that is 9.90E+11 m away from the sun and has cross-sectional area of 0.083 m^{2}? The average power output of the Sun is 3.80E+26 W.

- -a) 1.167E-08 N
- -b) 1.284E-08 N
- -c) 1.412E-08 N
- -d) 1.553E-08 N
- +e) 1.708E-08 N

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[edit]

QB153099154202

^{2}and separation d=3.40E-03 m is connected via a swith to a 61 Ω resistor and a battery of voltage V

_{0}=77 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=1.70E-03?

- a) 5.131E+01 V
- b) 5.644E+01 V
- c) 6.209E+01 V
- d) 6.830E+01 V
- e) 7.513E+01 V

2) What is the radiation force on an object that is 5.40E+11 m away from the sun and has cross-sectional area of 0.021 m^{2}? The average power output of the Sun is 3.80E+26 W.

- a) 9.923E-09 N
- b) 1.092E-08 N
- c) 1.201E-08 N
- d) 1.321E-08 N
- e) 1.453E-08 N

3) A 47 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 90 kW?

- a) 1.799E+02 km
- b) 1.979E+02 km
- c) 2.177E+02 km
- d) 2.394E+02 km
- e) 2.634E+02 km

#### KEY:QB:Ch 16:V2[edit]

QB153099154202

^{2}and separation d=3.40E-03 m is connected via a swith to a 61 Ω resistor and a battery of voltage V

_{0}=77 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=1.70E-03?

- -a) 5.131E+01 V
- -b) 5.644E+01 V
- -c) 6.209E+01 V
- -d) 6.830E+01 V
- +e) 7.513E+01 V

2) What is the radiation force on an object that is 5.40E+11 m away from the sun and has cross-sectional area of 0.021 m^{2}? The average power output of the Sun is 3.80E+26 W.

- -a) 9.923E-09 N
- -b) 1.092E-08 N
- -c) 1.201E-08 N
- -d) 1.321E-08 N
- +e) 1.453E-08 N

3) A 47 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 90 kW?

- +a) 1.799E+02 km
- -b) 1.979E+02 km
- -c) 2.177E+02 km
- -d) 2.394E+02 km
- -e) 2.634E+02 km