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

QB153099154216

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

QB153099154216

1) A large thin isolated square plate has an area of 6 m^{2}. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

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

2)

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) 8.253E-01 V/m
^{2} - b) 9.079E-01 V/m
^{2} - c) 9.987E-01 V/m
^{2} - d) 1.099E+00 V/m
^{2} - e) 1.208E+00 V/m
^{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=1.9 m. Evaluate at x=0.96 m if a=0.95 m, b=1.8 m. The total charge on the rod is 7 nC.

- a) 3.385E+00 V/m
^{2} - b) 3.724E+00 V/m
^{2} - c) 4.096E+00 V/m
^{2} - d) 4.506E+00 V/m
^{2} - e) 4.957E+00 V/m
^{2}

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

QB153099154216

1) A large thin isolated square plate has an area of 6 m^{2}. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

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

2)

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) 8.253E-01 V/m
^{2} - -b) 9.079E-01 V/m
^{2} - +c) 9.987E-01 V/m
^{2} - -d) 1.099E+00 V/m
^{2} - -e) 1.208E+00 V/m
^{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=1.9 m. Evaluate at x=0.96 m if a=0.95 m, b=1.8 m. The total charge on the rod is 7 nC.

- -a) 3.385E+00 V/m
^{2} - -b) 3.724E+00 V/m
^{2} - -c) 4.096E+00 V/m
^{2} - +d) 4.506E+00 V/m
^{2} - -e) 4.957E+00 V/m
^{2}

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

QB153099154216

is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m. Evaluate at x=1.1 m if a=0.61 m, b=1.7 m. The total charge on the rod is 8 nC.

- a) 5.995E+00 V/m
^{2} - b) 6.595E+00 V/m
^{2} - c) 7.254E+00 V/m
^{2} - d) 7.980E+00 V/m
^{2} - e) 8.778E+00 V/m
^{2}

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) 3.722E-01 V/m
^{2} - b) 4.094E-01 V/m
^{2} - c) 4.504E-01 V/m
^{2} - d) 4.954E-01 V/m
^{2} - e) 5.450E-01 V/m
^{2}

3) A large thin isolated square plate has an area of 6 m^{2}. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

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

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

QB153099154216

is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m. Evaluate at x=1.1 m if a=0.61 m, b=1.7 m. The total charge on the rod is 8 nC.

- -a) 5.995E+00 V/m
^{2} - -b) 6.595E+00 V/m
^{2} - +c) 7.254E+00 V/m
^{2} - -d) 7.980E+00 V/m
^{2} - -e) 8.778E+00 V/m
^{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) 3.722E-01 V/m
^{2} - -b) 4.094E-01 V/m
^{2} - -c) 4.504E-01 V/m
^{2} - +d) 4.954E-01 V/m
^{2} - -e) 5.450E-01 V/m
^{2}

3) A large thin isolated square plate has an area of 6 m^{2}. It is uniformly charged with 9 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

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

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

QB153099154216

1) A large thin isolated square plate has an area of 8 m^{2}. It is uniformly charged with 7 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

- a) 4.492E+01 N/C
- b) 4.941E+01 N/C
- c) 5.435E+01 N/C
- d) 5.979E+01 N/C
- e) 6.577E+01 N/C

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=0.76 m if a=1.1 m, b=1.6 m. The total charge on the rod is 8 nC.

- a) 5.267E+00 V/m
^{2} - b) 5.794E+00 V/m
^{2} - c) 6.374E+00 V/m
^{2} - d) 7.011E+00 V/m
^{2} - e) 7.712E+00 V/m
^{2}

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) 1.258E+00 V/m
^{2} - b) 1.384E+00 V/m
^{2} - c) 1.522E+00 V/m
^{2} - d) 1.674E+00 V/m
^{2} - e) 1.842E+00 V/m
^{2}

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

QB153099154216

1) A large thin isolated square plate has an area of 8 m^{2}. It is uniformly charged with 7 nC of charge. What is the magnitude of the electric field 3 mm from the center of the plate's surface?

- -a) 4.492E+01 N/C
- +b) 4.941E+01 N/C
- -c) 5.435E+01 N/C
- -d) 5.979E+01 N/C
- -e) 6.577E+01 N/C

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=0.76 m if a=1.1 m, b=1.6 m. The total charge on the rod is 8 nC.

- -a) 5.267E+00 V/m
^{2} - -b) 5.794E+00 V/m
^{2} - -c) 6.374E+00 V/m
^{2} - +d) 7.011E+00 V/m
^{2} - -e) 7.712E+00 V/m
^{2}

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) 1.258E+00 V/m
^{2} - -b) 1.384E+00 V/m
^{2} - -c) 1.522E+00 V/m
^{2} - +d) 1.674E+00 V/m
^{2} - -e) 1.842E+00 V/m
^{2}

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

QB153099154216

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

- a) 1.994E+01 N/C
- b) 2.194E+01 N/C
- c) 2.413E+01 N/C
- d) 2.655E+01 N/C
- e) 2.920E+01 N/C

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

_{0}=1.1 m, y=y

_{1}=4.8 m, z=z

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

_{1}=4.8 m. The surfaces in the yz plane each have area 11.0m

^{2}. Those in the xy plane have area 8.9m

^{2},and those in the zx plane have area 7.2m

^{2}. An electric field has the xyz components (0, 5.9, 8.9) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- a) 2.901E+01 N·m
^{2}/C - b) 3.192E+01 N·m
^{2}/C - c) 3.511E+01 N·m
^{2}/C - d) 3.862E+01 N·m
^{2}/C - e) 4.248E+01 N·m
^{2}/C

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

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

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

QB153099154216

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

- -a) 1.994E+01 N/C
- -b) 2.194E+01 N/C
- -c) 2.413E+01 N/C
- -d) 2.655E+01 N/C
- +e) 2.920E+01 N/C

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

_{0}=1.1 m, y=y

_{1}=4.8 m, z=z

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

_{1}=4.8 m. The surfaces in the yz plane each have area 11.0m

^{2}. Those in the xy plane have area 8.9m

^{2},and those in the zx plane have area 7.2m

^{2}. An electric field has the xyz components (0, 5.9, 8.9) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- -a) 2.901E+01 N·m
^{2}/C - -b) 3.192E+01 N·m
^{2}/C - -c) 3.511E+01 N·m
^{2}/C - -d) 3.862E+01 N·m
^{2}/C - +e) 4.248E+01 N·m
^{2}/C

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

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

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

QB153099154216

_{1}=1.2 m. The other four surfaces are rectangles in y=y

_{0}=1.7 m, y=y

_{1}=5.0 m, z=z

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

_{1}=4.3 m. The surfaces in the yz plane each have area 7.9m

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

^{2},and those in the zx plane have area 2.9m

^{2}. An electric field has the xyz components (0, 5.3, 9.1) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- a) 1.388E+01 N·m
^{2}/C - b) 1.526E+01 N·m
^{2}/C - c) 1.679E+01 N·m
^{2}/C - d) 1.847E+01 N·m
^{2}/C - e) 2.032E+01 N·m
^{2}/C

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

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

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

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

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

QB153099154216

_{1}=1.2 m. The other four surfaces are rectangles in y=y

_{0}=1.7 m, y=y

_{1}=5.0 m, z=z

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

_{1}=4.3 m. The surfaces in the yz plane each have area 7.9m

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

^{2},and those in the zx plane have area 2.9m

^{2}. An electric field has the xyz components (0, 5.3, 9.1) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- -a) 1.388E+01 N·m
^{2}/C - +b) 1.526E+01 N·m
^{2}/C - -c) 1.679E+01 N·m
^{2}/C - -d) 1.847E+01 N·m
^{2}/C - -e) 2.032E+01 N·m
^{2}/C

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

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

^{1.5} (r≤R) where a=3 nC·m^{-1.5}. What is the magnitude of the electric field at a distance of 1.7 m from the center?

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

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

QB153099154216

_{1}=2.8 m. The other four surfaces are rectangles in y=y

_{0}=1.1 m, y=y

_{1}=5.6 m, z=z

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

_{1}=5.5 m. The surfaces in the yz plane each have area 17.0m

^{2}. Those in the xy plane have area 13.0m

^{2},and those in the zx plane have area 10.0m

^{2}. An electric field has the xyz components (0, 7.0, 5.7) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- a) 4.953E+01 N·m
^{2}/C - b) 5.449E+01 N·m
^{2}/C - c) 5.993E+01 N·m
^{2}/C - d) 6.593E+01 N·m
^{2}/C - e) 7.252E+01 N·m
^{2}/C

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

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

3) A non-conducting sphere of radius R=2.5 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar^{1.8} (r≤R) where a=2 nC·m^{-1.2}. What is the magnitude of the electric field at a distance of 1.7 m from the center?

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

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

QB153099154216

_{1}=2.8 m. The other four surfaces are rectangles in y=y

_{0}=1.1 m, y=y

_{1}=5.6 m, z=z

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

_{1}=5.5 m. The surfaces in the yz plane each have area 17.0m

^{2}. Those in the xy plane have area 13.0m

^{2},and those in the zx plane have area 10.0m

^{2}. An electric field has the xyz components (0, 7.0, 5.7) N/C. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?

- -a) 4.953E+01 N·m
^{2}/C - -b) 5.449E+01 N·m
^{2}/C - -c) 5.993E+01 N·m
^{2}/C - -d) 6.593E+01 N·m
^{2}/C - +e) 7.252E+01 N·m
^{2}/C

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

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

3) A non-conducting sphere of radius R=2.5 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar^{1.8} (r≤R) where a=2 nC·m^{-1.2}. What is the magnitude of the electric field at a distance of 1.7 m from the center?

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

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

QB153099154216

- a) 2.727E+02 V
- b) 2.999E+02 V
- c) 3.299E+02 V
- d) 3.629E+02 V
- e) 3.992E+02 V

- a) 3.697E-01 N
- b) 4.067E-01 N
- c) 4.474E-01 N
- d) 4.921E-01 N
- e) 5.413E-01 N

3) If a 11 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=61 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

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

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

QB153099154216

- -a) 2.727E+02 V
- -b) 2.999E+02 V
- -c) 3.299E+02 V
- +d) 3.629E+02 V
- -e) 3.992E+02 V

- -a) 3.697E-01 N
- -b) 4.067E-01 N
- -c) 4.474E-01 N
- +d) 4.921E-01 N
- -e) 5.413E-01 N

3) If a 11 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=61 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

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

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

QB153099154216

- a) 3.542E-01 N
- b) 3.896E-01 N
- c) 4.286E-01 N
- d) 4.714E-01 N
- e) 5.186E-01 N

- a) 4.590E+02 V
- b) 5.049E+02 V
- c) 5.554E+02 V
- d) 6.109E+02 V
- e) 6.720E+02 V

3) If a 16 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=76 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

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

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

QB153099154216

- -a) 3.542E-01 N
- -b) 3.896E-01 N
- +c) 4.286E-01 N
- -d) 4.714E-01 N
- -e) 5.186E-01 N

- -a) 4.590E+02 V
- -b) 5.049E+02 V
- -c) 5.554E+02 V
- +d) 6.109E+02 V
- -e) 6.720E+02 V

3) If a 16 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=76 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

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

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

QB153099154216

1) If a 28 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=77 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

- a) 2.701E+00 m
- b) 2.971E+00 m
- c) 3.268E+00 m
- d) 3.595E+00 m
- e) 3.955E+00 m

- a) 5.134E+02 V
- b) 5.648E+02 V
- c) 6.212E+02 V
- d) 6.834E+02 V
- e) 7.517E+02 V

- a) 8.430E-01 N
- b) 9.273E-01 N
- c) 1.020E+00 N
- d) 1.122E+00 N
- e) 1.234E+00 N

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

QB153099154216

1) If a 28 nC charge is situated at the origin, the equipotential surface for V(x,y,z)=77 V is x^{2} + y^{2} + z^{2} = R^{2}, where R=

- -a) 2.701E+00 m
- -b) 2.971E+00 m
- +c) 3.268E+00 m
- -d) 3.595E+00 m
- -e) 3.955E+00 m

- -a) 5.134E+02 V
- -b) 5.648E+02 V
- -c) 6.212E+02 V
- -d) 6.834E+02 V
- +e) 7.517E+02 V

- -a) 8.430E-01 N
- -b) 9.273E-01 N
- +c) 1.020E+00 N
- -d) 1.122E+00 N
- -e) 1.234E+00 N

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

QB153099154216

1) An empty parallel-plate capacitor with metal plates has an area of 2.04 m^{2}, 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

_{1}=3.27 μF, C

_{2}=2.87 μF, and C

_{3}=3.23 μF in the configuration shown?

- a) 3.250E+00 μF
- b) 3.575E+00 μF
- c) 3.933E+00 μF
- d) 4.326E+00 μF
- e) 4.758E+00 μF

_{1}=20.6 μF, C

_{2}=2.38 μF, and C

_{3}=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C

_{1}?

- a) 5.474E+01 μC
- b) 6.022E+01 μC
- c) 6.624E+01 μC
- d) 7.287E+01 μC
- e) 8.015E+01 μC

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

QB153099154216

1) An empty parallel-plate capacitor with metal plates has an area of 2.04 m^{2}, 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

_{1}=3.27 μF, C

_{2}=2.87 μF, and C

_{3}=3.23 μF in the configuration shown?

- -a) 3.250E+00 μF
- -b) 3.575E+00 μF
- -c) 3.933E+00 μF
- -d) 4.326E+00 μF
- +e) 4.758E+00 μF

_{1}=20.6 μF, C

_{2}=2.38 μF, and C

_{3}=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C

_{1}?

- -a) 5.474E+01 μC
- -b) 6.022E+01 μC
- -c) 6.624E+01 μC
- +d) 7.287E+01 μC
- -e) 8.015E+01 μC

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

QB153099154216

_{1}=4.55 μF, C

_{2}=4.39 μF, and C

_{3}=3.32 μF in the configuration shown?

- a) 4.173E+00 μF
- b) 4.590E+00 μF
- c) 5.049E+00 μF
- d) 5.554E+00 μF
- e) 6.110E+00 μF

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

- a) 2.375E+01 μC
- b) 2.613E+01 μC
- c) 2.874E+01 μC
- d) 3.161E+01 μC
- e) 3.477E+01 μC

_{1}=20.6 μF, C

_{2}=2.38 μF, and C

_{3}=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C

_{1}?

- a) 5.474E+01 μC
- b) 6.022E+01 μC
- c) 6.624E+01 μC
- d) 7.287E+01 μC
- e) 8.015E+01 μC

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

QB153099154216

_{1}=4.55 μF, C

_{2}=4.39 μF, and C

_{3}=3.32 μF in the configuration shown?

- -a) 4.173E+00 μF
- -b) 4.590E+00 μF
- -c) 5.049E+00 μF
- +d) 5.554E+00 μF
- -e) 6.110E+00 μF

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

- -a) 2.375E+01 μC
- +b) 2.613E+01 μC
- -c) 2.874E+01 μC
- -d) 3.161E+01 μC
- -e) 3.477E+01 μC

_{1}=20.6 μF, C

_{2}=2.38 μF, and C

_{3}=5.66 μF. The voltage source provides ε=12.6 V. What is the charge on C

_{1}?

- -a) 5.474E+01 μC
- -b) 6.022E+01 μC
- -c) 6.624E+01 μC
- +d) 7.287E+01 μC
- -e) 8.015E+01 μC

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

QB153099154216

_{1}=4.12 μF, C

_{2}=3.45 μF, and C

_{3}=3.41 μF in the configuration shown?

- a) 4.370E+00 μF
- b) 4.807E+00 μF
- c) 5.288E+00 μF
- d) 5.816E+00 μF
- e) 6.398E+00 μF

_{1}=19.0 μF, C

_{2}=2.35 μF, and C

_{3}=5.22 μF. The voltage source provides ε=6.01 V. What is the charge on C

_{1}?

- a) 2.444E+01 μC
- b) 2.689E+01 μC
- c) 2.958E+01 μC
- d) 3.253E+01 μC
- e) 3.579E+01 μC

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

- a) 2.249E+01 μC
- b) 2.473E+01 μC
- c) 2.721E+01 μC
- d) 2.993E+01 μC
- e) 3.292E+01 μC

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

QB153099154216

_{1}=4.12 μF, C

_{2}=3.45 μF, and C

_{3}=3.41 μF in the configuration shown?

- -a) 4.370E+00 μF
- -b) 4.807E+00 μF
- +c) 5.288E+00 μF
- -d) 5.816E+00 μF
- -e) 6.398E+00 μF

_{1}=19.0 μF, C

_{2}=2.35 μF, and C

_{3}=5.22 μF. The voltage source provides ε=6.01 V. What is the charge on C

_{1}?

- -a) 2.444E+01 μC
- -b) 2.689E+01 μC
- -c) 2.958E+01 μC
- +d) 3.253E+01 μC
- -e) 3.579E+01 μC

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

- -a) 2.249E+01 μC
- +b) 2.473E+01 μC
- -c) 2.721E+01 μC
- -d) 2.993E+01 μC
- -e) 3.292E+01 μC

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

QB153099154216

1) The charge passing a plane intersecting a wire is , where =30 C and 0.0178 s. What is the current at 0.0161 s?

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

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

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

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

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

QB153099154216

1) The charge passing a plane intersecting a wire is , where =30 C and 0.0178 s. What is the current at 0.0161 s?

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

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

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

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

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

QB153099154216

1) Calculate the resistance of a 12-gauge copper wire that is 15 m long and carries a current of 27 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 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

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

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

3) The charge passing a plane intersecting a wire is , where =42 C and 0.0166 s. What is the current at 0.0156 s?

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

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

QB153099154216

1) Calculate the resistance of a 12-gauge copper wire that is 15 m long and carries a current of 27 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 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

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

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

3) The charge passing a plane intersecting a wire is , where =42 C and 0.0166 s. What is the current at 0.0156 s?

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

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

QB153099154216

1) A DC winch moter draws 18 amps at 126 volts as it lifts a 5.830E+03 N weight at a constant speed of 0.26 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

- a) 1.919E+00 Ω
- b) 2.111E+00 Ω
- c) 2.322E+00 Ω
- d) 2.554E+00 Ω
- e) 2.809E+00 Ω

2) The charge passing a plane intersecting a wire is , where =11 C and 0.0162 s. What is the current at 0.0249 s?

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

3) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm^{2}.

- a) 2.631E-01 Ω
- b) 2.894E-01 Ω
- c) 3.184E-01 Ω
- d) 3.502E-01 Ω
- e) 3.852E-01 Ω

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

QB153099154216

1) A DC winch moter draws 18 amps at 126 volts as it lifts a 5.830E+03 N weight at a constant speed of 0.26 m/s. Assuming that all the electrical power is either converted into gravitational potential energy or ohmically heats the motor's coils, calculate the coil's resistance.

- -a) 1.919E+00 Ω
- -b) 2.111E+00 Ω
- +c) 2.322E+00 Ω
- -d) 2.554E+00 Ω
- -e) 2.809E+00 Ω

2) The charge passing a plane intersecting a wire is , where =11 C and 0.0162 s. What is the current at 0.0249 s?

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

3) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm^{2}.

- -a) 2.631E-01 Ω
- -b) 2.894E-01 Ω
- -c) 3.184E-01 Ω
- +d) 3.502E-01 Ω
- -e) 3.852E-01 Ω

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

QB153099154216

_{1}=1.68 Ω, R

_{2}=7.84 Ω, and R

_{3}=12.3 Ω. What is the power dissipated by R

_{2}?

- a) 2.240E+01 W
- b) 2.464E+01 W
- c) 2.710E+01 W
- d) 2.981E+01 W
- e) 3.279E+01 W

_{1}=54.9 V, and ε

_{2}=19.8 V are oriented as shownin the circuit. The resistances are R

_{1}=3.93 kΩ and R

_{2}=1.31 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I

_{3}=9.18 mA and I

_{4}=1.83 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) 1.779E+01 V
- b) 1.957E+01 V
- c) 2.153E+01 V
- d) 2.368E+01 V
- e) 2.605E+01 V

3) Three resistors, 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

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

QB153099154216

_{1}=1.68 Ω, R

_{2}=7.84 Ω, and R

_{3}=12.3 Ω. What is the power dissipated by R

_{2}?

- +a) 2.240E+01 W
- -b) 2.464E+01 W
- -c) 2.710E+01 W
- -d) 2.981E+01 W
- -e) 3.279E+01 W

_{1}=54.9 V, and ε

_{2}=19.8 V are oriented as shownin the circuit. The resistances are R

_{1}=3.93 kΩ and R

_{2}=1.31 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I

_{3}=9.18 mA and I

_{4}=1.83 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) 1.779E+01 V
- -b) 1.957E+01 V
- -c) 2.153E+01 V
- -d) 2.368E+01 V
- -e) 2.605E+01 V

3) Three resistors, 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

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

QB153099154216

_{1}=36.7 V, and ε

_{2}=13.6 V are oriented as shownin the circuit. The resistances are R

_{1}=2.86 kΩ and R

_{2}=2.2 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I

_{3}=3.02 mA and I

_{4}=0.854 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) 1.380E+01 V
- b) 1.518E+01 V
- c) 1.670E+01 V
- d) 1.837E+01 V
- e) 2.020E+01 V

_{1}=1.64 Ω, R

_{2}=6.56 Ω, and R

_{3}=12.8 Ω. What is the power dissipated by R

_{2}?

- a) 2.470E+01 W
- b) 2.717E+01 W
- c) 2.989E+01 W
- d) 3.288E+01 W
- e) 3.617E+01 W

3) Three resistors, 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:V1[edit]

QB153099154216

_{1}=36.7 V, and ε

_{2}=13.6 V are oriented as shownin the circuit. The resistances are R

_{1}=2.86 kΩ and R

_{2}=2.2 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I

_{3}=3.02 mA and I

_{4}=0.854 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) 1.380E+01 V
- -b) 1.518E+01 V
- -c) 1.670E+01 V
- -d) 1.837E+01 V
- -e) 2.020E+01 V

_{1}=1.64 Ω, R

_{2}=6.56 Ω, and R

_{3}=12.8 Ω. What is the power dissipated by R

_{2}?

- -a) 2.470E+01 W
- +b) 2.717E+01 W
- -c) 2.989E+01 W
- -d) 3.288E+01 W
- -e) 3.617E+01 W

3) Three resistors, 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 10:V2[edit]

QB153099154216

1) 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

_{1}=2.34 Ω, R

_{2}=7.1 Ω, and R

_{3}=15.3 Ω. What is the power dissipated by R

_{2}?

- 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

_{1}=21.6 V, and ε

_{2}=8.59 V are oriented as shownin the circuit. The resistances are R

_{1}=4.97 kΩ and R

_{2}=1.69 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I

_{3}=3.2 mA and I

_{4}=0.749 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) 6.064E+00 V
- b) 6.670E+00 V
- c) 7.337E+00 V
- d) 8.071E+00 V
- e) 8.878E+00 V

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

QB153099154216

1) 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

_{1}=2.34 Ω, R

_{2}=7.1 Ω, and R

_{3}=15.3 Ω. What is the power dissipated by R

_{2}?

- -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

_{1}=21.6 V, and ε

_{2}=8.59 V are oriented as shownin the circuit. The resistances are R

_{1}=4.97 kΩ and R

_{2}=1.69 kΩ. Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown. I

_{3}=3.2 mA and I

_{4}=0.749 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) 6.064E+00 V
- -b) 6.670E+00 V
- +c) 7.337E+00 V
- -d) 8.071E+00 V
- -e) 8.878E+00 V

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

QB153099154216

- a) 1.560E-06 V
- b) 1.716E-06 V
- c) 1.888E-06 V
- d) 2.077E-06 V
- e) 2.284E-06 V

2) An alpha-particle (q=3.2x10^{−19}C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 5.75 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity

(1.81 **i** + 2.05 **j** + 4.49 **k**) x 10^{4} m/s?

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

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

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

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

QB153099154216

- -a) 1.560E-06 V
- +b) 1.716E-06 V
- -c) 1.888E-06 V
- -d) 2.077E-06 V
- -e) 2.284E-06 V

2) An alpha-particle (q=3.2x10^{−19}C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 5.75 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity

(1.81 **i** + 2.05 **j** + 4.49 **k**) x 10^{4} m/s?

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

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

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

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

QB153099154216

- a) 1.209E-06 V
- b) 1.329E-06 V
- c) 1.462E-06 V
- d) 1.609E-06 V
- e) 1.770E-06 V

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

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

3) An alpha-particle (q=3.2x10^{−19}C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 8.16 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity

(1.13 **i** + 3.24 **j** + 6.96 **k**) x 10^{4} m/s?

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

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

QB153099154216

- +a) 1.209E-06 V
- -b) 1.329E-06 V
- -c) 1.462E-06 V
- -d) 1.609E-06 V
- -e) 1.770E-06 V

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

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

3) An alpha-particle (q=3.2x10^{−19}C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 8.16 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity

(1.13 **i** + 3.24 **j** + 6.96 **k**) x 10^{4} m/s?

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

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

QB153099154216

- a) 7.202E-06 V
- b) 7.922E-06 V
- c) 8.714E-06 V
- d) 9.586E-06 V
- e) 1.054E-05 V

2) An alpha-particle (q=3.2x10^{−19}C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 4.69 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity

(8.9 **i** + 4.27 **j** + 7.52 **k**) x 10^{4} m/s?

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

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

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

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

QB153099154216

- +a) 7.202E-06 V
- -b) 7.922E-06 V
- -c) 8.714E-06 V
- -d) 9.586E-06 V
- -e) 1.054E-05 V

2) An alpha-particle (q=3.2x10^{−19}C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 4.69 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity

(8.9 **i** + 4.27 **j** + 7.52 **k**) x 10^{4} m/s?

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

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

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

QB153099154216

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

- a) 8.205E+02
- b) 9.026E+02
- c) 9.928E+02
- d) 1.092E+03
- e) 1.201E+03

_{1}and I

_{3}flow out of the page, and I

_{2}flows into the page, as shown. Two closed paths are shown, labeled and . If I

_{1}=2.82 kA, I

_{2}=0.964 kA, and I

_{3}=2.21 kA, take the path and evalulate the line integral,

:

- a) 1.069E-03 T-m
- b) 1.176E-03 T-m
- c) 1.294E-03 T-m
- d) 1.423E-03 T-m
- e) 1.566E-03 T-m

_{1}, I

_{2}, I

_{2}) are (2.01 A, 1.09 A, 1.56 A), respectively. What is the y-component of the magnetic field at point P?

- a) B
_{y}= 4.688E-05 T - b) B
_{y}= 5.156E-05 T - c) B
_{y}= 5.672E-05 T - d) B
_{y}= 6.239E-05 T - e) B
_{y}= 6.863E-05 T

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

QB153099154216

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

- +a) 8.205E+02
- -b) 9.026E+02
- -c) 9.928E+02
- -d) 1.092E+03
- -e) 1.201E+03

_{1}and I

_{3}flow out of the page, and I

_{2}flows into the page, as shown. Two closed paths are shown, labeled and . If I

_{1}=2.82 kA, I

_{2}=0.964 kA, and I

_{3}=2.21 kA, take the path and evalulate the line integral,

:

- -a) 1.069E-03 T-m
- -b) 1.176E-03 T-m
- -c) 1.294E-03 T-m
- -d) 1.423E-03 T-m
- +e) 1.566E-03 T-m

_{1}, I

_{2}, I

_{2}) are (2.01 A, 1.09 A, 1.56 A), respectively. What is the y-component of the magnetic field at point P?

- -a) B
_{y}= 4.688E-05 T - -b) B
_{y}= 5.156E-05 T - -c) B
_{y}= 5.672E-05 T - +d) B
_{y}= 6.239E-05 T - -e) B
_{y}= 6.863E-05 T

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

QB153099154216

_{1}, I

_{2}, I

_{2}) are (1.11 A, 1.25 A, 2.27 A), respectively. What is the y-component of the magnetic field at point P?

- a) B
_{y}= 5.930E-05 T - b) B
_{y}= 6.523E-05 T - c) B
_{y}= 7.175E-05 T - d) B
_{y}= 7.892E-05 T - e) B
_{y}= 8.682E-05 T

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

- a) 7.211E+02
- b) 7.932E+02
- c) 8.726E+02
- d) 9.598E+02
- e) 1.056E+03

_{1}and I

_{3}flow out of the page, and I

_{2}flows into the page, as shown. Two closed paths are shown, labeled and . If I

_{1}=2.31 kA, I

_{2}=1.08 kA, and I

_{3}=1.77 kA, take the path and evalulate the line integral,

:

- a) 7.166E-04 T-m
- b) 7.883E-04 T-m
- c) 8.671E-04 T-m
- d) 9.538E-04 T-m
- e) 1.049E-03 T-m

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

QB153099154216

_{1}, I

_{2}, I

_{2}) are (1.11 A, 1.25 A, 2.27 A), respectively. What is the y-component of the magnetic field at point P?

- -a) B
_{y}= 5.930E-05 T - +b) B
_{y}= 6.523E-05 T - -c) B
_{y}= 7.175E-05 T - -d) B
_{y}= 7.892E-05 T - -e) B
_{y}= 8.682E-05 T

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

- -a) 7.211E+02
- -b) 7.932E+02
- +c) 8.726E+02
- -d) 9.598E+02
- -e) 1.056E+03

_{1}and I

_{3}flow out of the page, and I

_{2}flows into the page, as shown. Two closed paths are shown, labeled and . If I

_{1}=2.31 kA, I

_{2}=1.08 kA, and I

_{3}=1.77 kA, take the path and evalulate the line integral,

:

- -a) 7.166E-04 T-m
- -b) 7.883E-04 T-m
- +c) 8.671E-04 T-m
- -d) 9.538E-04 T-m
- -e) 1.049E-03 T-m

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

QB153099154216

_{1}, I

_{2}, I

_{2}) are (1.91 A, 1.34 A, 1.05 A), respectively. What is the y-component of the magnetic field at point P?

- a) B
_{y}= 5.611E-05 T - b) B
_{y}= 6.172E-05 T - c) B
_{y}= 6.789E-05 T - d) B
_{y}= 7.468E-05 T - e) B
_{y}= 8.215E-05 T

_{1}and I

_{3}flow out of the page, and I

_{2}flows into the page, as shown. Two closed paths are shown, labeled and . If I

_{1}=2.51 kA, I

_{2}=1.32 kA, and I

_{3}=2.73 kA, take the path and evalulate the line integral,

:

- a) 1.331E-03 T-m
- b) 1.464E-03 T-m
- c) 1.611E-03 T-m
- d) 1.772E-03 T-m
- e) 1.949E-03 T-m

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

- a) 6.716E+02
- b) 7.387E+02
- c) 8.126E+02
- d) 8.939E+02
- e) 9.833E+02

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

QB153099154216

_{1}, I

_{2}, I

_{2}) are (1.91 A, 1.34 A, 1.05 A), respectively. What is the y-component of the magnetic field at point P?

- -a) B
_{y}= 5.611E-05 T - -b) B
_{y}= 6.172E-05 T - +c) B
_{y}= 6.789E-05 T - -d) B
_{y}= 7.468E-05 T - -e) B
_{y}= 8.215E-05 T

_{1}and I

_{3}flow out of the page, and I

_{2}flows into the page, as shown. Two closed paths are shown, labeled and . If I

_{1}=2.51 kA, I

_{2}=1.32 kA, and I

_{3}=2.73 kA, take the path and evalulate the line integral,

:

- -a) 1.331E-03 T-m
- -b) 1.464E-03 T-m
- -c) 1.611E-03 T-m
- +d) 1.772E-03 T-m
- -e) 1.949E-03 T-m

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

- -a) 6.716E+02
- -b) 7.387E+02
- +c) 8.126E+02
- -d) 8.939E+02
- -e) 9.833E+02

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

QB153099154216

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

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

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

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

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.708 m. The magnetic field is spatially uniform but decays in time according to , where 6.34 s. What is the current in the coil if the impedance of the coil is 89.8 Ω?

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

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

QB153099154216

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

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

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

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

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.708 m. The magnetic field is spatially uniform but decays in time according to , where 6.34 s. What is the current in the coil if the impedance of the coil is 89.8 Ω?

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

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

QB153099154216

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.305 m. The magnetic field is spatially uniform but decays in time according to , where 5.58 s. What is the current in the coil if the impedance of the coil is 13.3 Ω?

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

2) A long solenoid has a radius of 0.596 m and 19 turns per meter; its current decreases with time according to , 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

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

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

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

QB153099154216

1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.305 m. The magnetic field is spatially uniform but decays in time according to , where 5.58 s. What is the current in the coil if the impedance of the coil is 13.3 Ω?

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

2) A long solenoid has a radius of 0.596 m and 19 turns per meter; its current decreases with time according to , 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

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

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

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

QB153099154216

1) A long solenoid has a radius of 0.749 m and 62 turns per meter; its current decreases with time according to , where 9 A and 25 s^{−1}.What is the induced electric fied at a distance 0.139 m from the axis at time t=0.071 s ?

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

2) A long solenoid has a radius of 0.8 m and 77 turns per meter; its current decreases with time according to , where 5 A and 28 s^{−1}.What is the induced electric fied at a distance 2.2 m from the axis at time t=0.0757 s ?

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

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.78 m. The magnetic field is spatially uniform but decays in time according to , where 9.74 s. What is the current in the coil if the impedance of the coil is 32.1 Ω?

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

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

QB153099154216

1) A long solenoid has a radius of 0.749 m and 62 turns per meter; its current decreases with time according to , where 9 A and 25 s^{−1}.What is the induced electric fied at a distance 0.139 m from the axis at time t=0.071 s ?

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

2) A long solenoid has a radius of 0.8 m and 77 turns per meter; its current decreases with time according to , where 5 A and 28 s^{−1}.What is the induced electric fied at a distance 2.2 m from the axis at time t=0.0757 s ?

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

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.78 m. The magnetic field is spatially uniform but decays in time according to , where 9.74 s. What is the current in the coil if the impedance of the coil is 32.1 Ω?

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

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

QB153099154216

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

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

2) A washer has an inner diameter of 2.16 cm and an outer diamter of 4.82 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?

- a) 1.342E+00 cm
^{3} - b) 1.477E+00 cm
^{3} - c) 1.624E+00 cm
^{3} - d) 1.787E+00 cm
^{3} - e) 1.965E+00 cm
^{3}

_{1}is suddenly closed at time t=0 in the figure shown. What is the current at t =3.56 s if ε = 6.14 V , R = 7.96 Ω, and L = 6.65 H?

- a) 5.281E-01 V
- b) 6.337E-01 V
- c) 7.605E-01 V
- d) 9.126E-01 V
- e) 1.095E+00 V

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

QB153099154216

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

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

2) A washer has an inner diameter of 2.16 cm and an outer diamter of 4.82 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?

- -a) 1.342E+00 cm
^{3} - +b) 1.477E+00 cm
^{3} - -c) 1.624E+00 cm
^{3} - -d) 1.787E+00 cm
^{3} - -e) 1.965E+00 cm
^{3}

_{1}is suddenly closed at time t=0 in the figure shown. What is the current at t =3.56 s if ε = 6.14 V , R = 7.96 Ω, and L = 6.65 H?

- -a) 5.281E-01 V
- -b) 6.337E-01 V
- +c) 7.605E-01 V
- -d) 9.126E-01 V
- -e) 1.095E+00 V

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

QB153099154216

1) A washer has an inner diameter of 2.38 cm and an outer diamter of 4.83 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?

- a) 1.118E+00 cm
^{3} - b) 1.229E+00 cm
^{3} - c) 1.352E+00 cm
^{3} - d) 1.487E+00 cm
^{3} - e) 1.636E+00 cm
^{3}

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

- a) 4.535E-01 H
- b) 4.988E-01 H
- c) 5.487E-01 H
- d) 6.035E-01 H
- e) 6.639E-01 H

_{1}is suddenly closed at time t=0 in the figure shown. What is the current at t =20.1 s if ε = 5.77 V , R = 1.38 Ω, and L = 5.45 H?

- a) 3.463E+00 V
- b) 4.156E+00 V
- c) 4.987E+00 V
- d) 5.984E+00 V
- e) 7.181E+00 V

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

QB153099154216

1) A washer has an inner diameter of 2.38 cm and an outer diamter of 4.83 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?

- -a) 1.118E+00 cm
^{3} - +b) 1.229E+00 cm
^{3} - -c) 1.352E+00 cm
^{3} - -d) 1.487E+00 cm
^{3} - -e) 1.636E+00 cm
^{3}

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

- -a) 4.535E-01 H
- +b) 4.988E-01 H
- -c) 5.487E-01 H
- -d) 6.035E-01 H
- -e) 6.639E-01 H

_{1}is suddenly closed at time t=0 in the figure shown. What is the current at t =20.1 s if ε = 5.77 V , R = 1.38 Ω, and L = 5.45 H?

- -a) 3.463E+00 V
- +b) 4.156E+00 V
- -c) 4.987E+00 V
- -d) 5.984E+00 V
- -e) 7.181E+00 V

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

QB153099154216

1) A washer has an inner diameter of 2.42 cm and an outer diamter of 4.53 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?

- a) 8.932E-01 cm
^{3} - b) 9.825E-01 cm
^{3} - c) 1.081E+00 cm
^{3} - d) 1.189E+00 cm
^{3} - e) 1.308E+00 cm
^{3}

_{1}is suddenly closed at time t=0 in the figure shown. What is the current at t =5.67 s if ε = 5.58 V , R = 3.81 Ω, and L = 3.85 H?

- a) 7.037E-01 V
- b) 8.444E-01 V
- c) 1.013E+00 V
- d) 1.216E+00 V
- e) 1.459E+00 V

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

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

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

QB153099154216

1) A washer has an inner diameter of 2.42 cm and an outer diamter of 4.53 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?

- -a) 8.932E-01 cm
^{3} - -b) 9.825E-01 cm
^{3} - -c) 1.081E+00 cm
^{3} - +d) 1.189E+00 cm
^{3} - -e) 1.308E+00 cm
^{3}

_{1}is suddenly closed at time t=0 in the figure shown. What is the current at t =5.67 s if ε = 5.58 V , R = 3.81 Ω, and L = 3.85 H?

- -a) 7.037E-01 V
- -b) 8.444E-01 V
- -c) 1.013E+00 V
- -d) 1.216E+00 V
- +e) 1.459E+00 V

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

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

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

QB153099154216

1) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, X_{L}, X_{C}). Since Q is calculatedat resonance, X_{L}, X_{C} and only twoimpedances are involved, Q=≡ω_{0}L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V_{0}sin(ωt), where V_{0}=4 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.90E-03H , and C=2.10E-06 F, respectively.

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

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

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

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

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

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

QB153099154216

1) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, X_{L}, X_{C}). Since Q is calculatedat resonance, X_{L}, X_{C} and only twoimpedances are involved, Q=≡ω_{0}L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V_{0}sin(ωt), where V_{0}=4 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.90E-03H , and C=2.10E-06 F, respectively.

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

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

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

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

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

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

QB153099154216

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

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

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

- a) 2.000E+02 A
- b) 2.200E+02 A
- c) 2.420E+02 A
- d) 2.662E+02 A
- e) 2.928E+02 A

3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, X_{L}, X_{C}). Since Q is calculatedat resonance, X_{L}, X_{C} and only twoimpedances are involved, Q=≡ω_{0}L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V_{0}sin(ωt), where V_{0}=1 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.30E-03H , and C=3.20E-06 F, respectively.

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

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

QB153099154216

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

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

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

- +a) 2.000E+02 A
- -b) 2.200E+02 A
- -c) 2.420E+02 A
- -d) 2.662E+02 A
- -e) 2.928E+02 A

3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, X_{L}, X_{C}). Since Q is calculatedat resonance, X_{L}, X_{C} and only twoimpedances are involved, Q=≡ω_{0}L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V_{0}sin(ωt), where V_{0}=1 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.30E-03H , and C=3.20E-06 F, respectively.

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

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

QB153099154216

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

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

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

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

3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, X_{L}, X_{C}). Since Q is calculatedat resonance, X_{L}, X_{C} and only twoimpedances are involved, Q=≡ω_{0}L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V_{0}sin(ωt), where V_{0}=4 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.90E-03H , and C=2.10E-06 F, respectively.

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

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

QB153099154216

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

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

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

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

3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, X_{L}, X_{C}). Since Q is calculatedat resonance, X_{L}, X_{C} and only twoimpedances are involved, Q=≡ω_{0}L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V_{0}sin(ωt), where V_{0}=4 V. The resistance, inductance, and capacitance are R =0.2 Ω, L= 4.90E-03H , and C=2.10E-06 F, respectively.

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

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

QB153099154216

1) A 59 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 76 kW?

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

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

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

^{2}and separation d=7.70E-03 m is connected via a swith to a 32 Ω resistor and a battery of voltage V

_{0}=38 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=1.40E-04?

- a) 3.972E+03 V/m
- b) 4.369E+03 V/m
- c) 4.806E+03 V/m
- d) 5.287E+03 V/m
- e) 5.816E+03 V/m

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

QB153099154216

1) A 59 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 76 kW?

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

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

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

^{2}and separation d=7.70E-03 m is connected via a swith to a 32 Ω resistor and a battery of voltage V

_{0}=38 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=1.40E-04?

- -a) 3.972E+03 V/m
- -b) 4.369E+03 V/m
- +c) 4.806E+03 V/m
- -d) 5.287E+03 V/m
- -e) 5.816E+03 V/m

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

QB153099154216

1) A 55 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 93 kW?

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

2) What is the radiation force on an object that is 5.50E+11 m away from the sun and has cross-sectional area of 0.075 m^{2}? 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

^{2}and separation d=4.40E-03 m is connected via a swith to a 87 Ω resistor and a battery of voltage V

_{0}=37 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=9.20E-04?

- a) 4.578E+03 V/m
- b) 5.036E+03 V/m
- c) 5.539E+03 V/m
- d) 6.093E+03 V/m
- e) 6.703E+03 V/m

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

QB153099154216

1) A 55 kW radio transmitter on Earth sends it signal to a satellite 130 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 93 kW?

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

2) What is the radiation force on an object that is 5.50E+11 m away from the sun and has cross-sectional area of 0.075 m^{2}? 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

^{2}and separation d=4.40E-03 m is connected via a swith to a 87 Ω resistor and a battery of voltage V

_{0}=37 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=9.20E-04?

- -a) 4.578E+03 V/m
- -b) 5.036E+03 V/m
- -c) 5.539E+03 V/m
- +d) 6.093E+03 V/m
- -e) 6.703E+03 V/m

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

QB153099154216

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

- a) 1.418E+02 km
- b) 1.560E+02 km
- c) 1.716E+02 km
- d) 1.887E+02 km
- e) 2.076E+02 km

^{2}and separation d=4.90E-03 m is connected via a swith to a 93 Ω resistor and a battery of voltage V

_{0}=5 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=2.20E-03?

- a) 6.896E+02 V/m
- b) 7.585E+02 V/m
- c) 8.344E+02 V/m
- d) 9.178E+02 V/m
- e) 1.010E+03 V/m

3) What is the radiation force on an object that is 1.70E+11 m away from the sun and has cross-sectional area of 0.033 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

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

QB153099154216

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

- -a) 1.418E+02 km
- +b) 1.560E+02 km
- -c) 1.716E+02 km
- -d) 1.887E+02 km
- -e) 2.076E+02 km

^{2}and separation d=4.90E-03 m is connected via a swith to a 93 Ω resistor and a battery of voltage V

_{0}=5 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the electric field at time t=2.20E-03?

- -a) 6.896E+02 V/m
- -b) 7.585E+02 V/m
- -c) 8.344E+02 V/m
- -d) 9.178E+02 V/m
- +e) 1.010E+03 V/m

3) What is the radiation force on an object that is 1.70E+11 m away from the sun and has cross-sectional area of 0.033 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