# User:Guy vandegrift/Quizbank/Archive1/College Physics/II T3

## Contents

## TrigPhysT3_151021[edit]

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- This document contains either a study guide OR pairs of exams taken from the same exam bank
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- At the end of this document
**Attribution**for the quizzes identifies where the questions were obtained**Study guide**links reading materials and/or relevant equations.

### TrigPhysT3_151021-v1s1[edit]

1. Two orbiting satellites are orbiting at a speed of 66 km/s perpendicular to a magnetic field of 64 μT. They are connected by a cable that is 37 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- ___a) 1.29 x 10
^{5}volts.

- ___b) 1.56 x 10
^{5}volts.

- ___c) 1.89 x 10
^{5}volts.

- ___d) 2.29 x 10
^{5}volts.

- ___e) 2.78 x 10
^{5}volts.

2. The voltage across two resistors in series is 10 volts. One resistor is twice as large as the other. What is the voltage across the larger resistor? What is the voltage across the smaller one? }

- ___ a) and.

- ___ b) None of these are true.

- ___ c) and .

- ___ d) and .

3. A 5 ohm and a 2 ohm resistor are connected in parallel. What is the total resistance?}

- ___ a) .

- ___ b) .

- ___ c) .

- ___ d) .

4. A 547 mF capacitor is connected in series to a 2 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- ___a) 1.38 x 10
^{3}s.

- ___b) 4.38 x 10
^{3}s.

- ___c) 1.38 x 10
^{4}s.

- ___d) 4.38 x 10
^{4}s.

- ___e) 1.38 x 10
^{5}s.

5. A 1 ohm, 2 ohm, and 3 ohm resistor are connected in *parallel*. What is the total resistance?}

- ___ a) .

- ___ b) .

- ___ c) .

- ___ d) .

6. A 5 F capacitor is connected in series to a 8Ω resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- ___a) 1.6 x 10
^{1}s.

- ___b) 5.06 x 10
^{1}s.

- ___c) 1.6 x 10
^{2}s.

- ___d) 5.06 x 10
^{2}s.

- ___e) 1.6 x 10
^{3}s.

- ___ a) and .

- ___ b) and .

- ___ c) and .

- ___ d) and .

8. A resistor has 10 volts across it and 4 amps going through it. What is its resistance?}

- ___ a)

- ___ b)

- ___ c) None of these are true.

- ___ d)

9. Two parallel wires are 6.7 meters long, and are separated by 5.7 mm. What is the force if both wires carry a current of 13.3 amps?

- ___a) 4.16 x 10
^{-4}newtons

- ___b) 1.32 x 10
^{-3}newtons

- ___c) 4.16 x 10
^{-3}newtons

- ___d) 1.32 x 10
^{-2}newtons

- ___e) 4.16 x 10
^{-2}newtons

10. An loop of wire with 92 turns has a radius of 0.39 meters, and is oriented with its axis parallel to a magetic field of 0.97 Tesla. What is the induced voltage if this field is reduced to 16% of its original value in 1.4 seconds?

- ___a) 2.56 x 10
^{1}volts

- ___b) 3.1 x 10
^{1}volts

- ___c) 3.76 x 10
^{1}volts

- ___d) 4.55 x 10
^{1}volts

- ___e) 5.51 x 10
^{1}volts

#### Key to TrigPhysT3_151021-v1s1[edit]

1. Two orbiting satellites are orbiting at a speed of 66 km/s perpendicular to a magnetic field of 64 μT. They are connected by a cable that is 37 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- -a) 1.29 x 10
^{5}volts.

- -a) 1.29 x 10

- +b) 1.56 x 10
^{5}volts.

- +b) 1.56 x 10

- -c) 1.89 x 10
^{5}volts.

- -c) 1.89 x 10

- -d) 2.29 x 10
^{5}volts.

- -d) 2.29 x 10

- -e) 2.78 x 10
^{5}volts.

- -e) 2.78 x 10

2. The voltage across two resistors in series is 10 volts. One resistor is twice as large as the other. What is the voltage across the larger resistor? What is the voltage across the smaller one? }

- - a) and.

- - b) None of these are true.

- + c) and .

- - d) and .

3. A 5 ohm and a 2 ohm resistor are connected in parallel. What is the total resistance?}

- + a) .

- - b) .

- - c) .

- - d) .

4. A 547 mF capacitor is connected in series to a 2 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- -a) 1.38 x 10
^{3}s.

- -a) 1.38 x 10

- +b) 4.38 x 10
^{3}s.

- +b) 4.38 x 10

- -c) 1.38 x 10
^{4}s.

- -c) 1.38 x 10

- -d) 4.38 x 10
^{4}s.

- -d) 4.38 x 10

- -e) 1.38 x 10
^{5}s.

- -e) 1.38 x 10

5. A 1 ohm, 2 ohm, and 3 ohm resistor are connected in *parallel*. What is the total resistance?}

- + a) .

- - b) .

- - c) .

- - d) .

6. A 5 F capacitor is connected in series to a 8Ω resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- -a) 1.6 x 10
^{1}s.

- -a) 1.6 x 10

- -b) 5.06 x 10
^{1}s.

- -b) 5.06 x 10

- +c) 1.6 x 10
^{2}s.

- +c) 1.6 x 10

- -d) 5.06 x 10
^{2}s.

- -d) 5.06 x 10

- -e) 1.6 x 10
^{3}s.

- -e) 1.6 x 10

- - a) and .

- + b) and .

- - c) and .

- - d) and .

8. A resistor has 10 volts across it and 4 amps going through it. What is its resistance?}

- + a)

- - b)

- - c) None of these are true.

- - d)

9. Two parallel wires are 6.7 meters long, and are separated by 5.7 mm. What is the force if both wires carry a current of 13.3 amps?

- -a) 4.16 x 10
^{-4}newtons

- -a) 4.16 x 10

- -b) 1.32 x 10
^{-3}newtons

- -b) 1.32 x 10

- -c) 4.16 x 10
^{-3}newtons

- -c) 4.16 x 10

- -d) 1.32 x 10
^{-2}newtons

- -d) 1.32 x 10

- +e) 4.16 x 10
^{-2}newtons

- +e) 4.16 x 10

10. An loop of wire with 92 turns has a radius of 0.39 meters, and is oriented with its axis parallel to a magetic field of 0.97 Tesla. What is the induced voltage if this field is reduced to 16% of its original value in 1.4 seconds?

- +a) 2.56 x 10
^{1}volts

- +a) 2.56 x 10

- -b) 3.1 x 10
^{1}volts

- -b) 3.1 x 10

- -c) 3.76 x 10
^{1}volts

- -c) 3.76 x 10

- -d) 4.55 x 10
^{1}volts

- -d) 4.55 x 10

- -e) 5.51 x 10
^{1}volts

- -e) 5.51 x 10

### TrigPhysT3_151021-v2s1[edit]

- ___ a) and .

- ___ b) and .

- ___ c) and .

- ___ d) and .

2. A resistor has 10 volts across it and 4 amps going through it. What is its resistance?}

- ___ a)

- ___ b)

- ___ c) None of these are true.

- ___ d)

3. Two parallel wires are 7.2 meters long, and are separated by 6.9 mm. What is the force if both wires carry a current of 13.7 amps?

- ___a) 1.24 x 10
^{-2}newtons

- ___b) 3.92 x 10
^{-2}newtons

- ___c) 1.24 x 10
^{-1}newtons

- ___d) 3.92 x 10
^{-1}newtons

- ___e) 1.24 x 10
^{0}newtons

4. A 1 ohm, 2 ohm, and 3 ohm resistor are connected in *parallel*. What is the total resistance?}

- ___ a) .

- ___ b) .

- ___ c) .

- ___ d) .

5. An loop of wire with 26 turns has a radius of 0.26 meters, and is oriented with its axis parallel to a magetic field of 0.75 Tesla. What is the induced voltage if this field is reduced to 13% of its original value in 1.8 seconds?

- ___a) 2 x 10
^{0}volts

- ___b) 2.42 x 10
^{0}volts

- ___c) 2.94 x 10
^{0}volts

- ___d) 3.56 x 10
^{0}volts

- ___e) 4.31 x 10
^{0}volts

6. A 10 F capacitor is connected in series to a 10Ω resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- ___a) 4 x 10
^{0}s.

- ___b) 1.26 x 10
^{1}s.

- ___c) 4 x 10
^{1}s.

- ___d) 1.26 x 10
^{2}s.

- ___e) 4 x 10
^{2}s.

7. A 5 ohm and a 2 ohm resistor are connected in parallel. What is the total resistance?}

- ___ a) .

- ___ b) .

- ___ c) .

- ___ d) .

8. The voltage across two resistors in series is 10 volts. One resistor is twice as large as the other. What is the voltage across the larger resistor? What is the voltage across the smaller one? }

- ___ a) and.

- ___ b) None of these are true.

- ___ c) and .

- ___ d) and .

9. Two orbiting satellites are orbiting at a speed of 53 km/s perpendicular to a magnetic field of 58 μT. They are connected by a cable that is 29 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- ___a) 7.36 x 10
^{4}volts.

- ___b) 8.91 x 10
^{4}volts.

- ___c) 1.08 x 10
^{5}volts.

- ___d) 1.31 x 10
^{5}volts.

- ___e) 1.59 x 10
^{5}volts.

10. A 819 mF capacitor is connected in series to a 798 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- ___a) 8.27 x 10
^{5}s.

- ___b) 2.61 x 10
^{6}s.

- ___c) 8.27 x 10
^{6}s.

- ___d) 2.61 x 10
^{7}s.

- ___e) 8.27 x 10
^{7}s.

#### Key to TrigPhysT3_151021-v2s1[edit]

- - a) and .

- - b) and .

- - c) and .

- + d) and .

2. A resistor has 10 volts across it and 4 amps going through it. What is its resistance?}

- - a)

- - b)

- - c) None of these are true.

- + d)

3. Two parallel wires are 7.2 meters long, and are separated by 6.9 mm. What is the force if both wires carry a current of 13.7 amps?

- -a) 1.24 x 10
^{-2}newtons

- -a) 1.24 x 10

- +b) 3.92 x 10
^{-2}newtons

- +b) 3.92 x 10

- -c) 1.24 x 10
^{-1}newtons

- -c) 1.24 x 10

- -d) 3.92 x 10
^{-1}newtons

- -d) 3.92 x 10

- -e) 1.24 x 10
^{0}newtons

- -e) 1.24 x 10

4. A 1 ohm, 2 ohm, and 3 ohm resistor are connected in *parallel*. What is the total resistance?}

- - a) .

- - b) .

- + c) .

- - d) .

5. An loop of wire with 26 turns has a radius of 0.26 meters, and is oriented with its axis parallel to a magetic field of 0.75 Tesla. What is the induced voltage if this field is reduced to 13% of its original value in 1.8 seconds?

- +a) 2 x 10
^{0}volts

- +a) 2 x 10

- -b) 2.42 x 10
^{0}volts

- -b) 2.42 x 10

- -c) 2.94 x 10
^{0}volts

- -c) 2.94 x 10

- -d) 3.56 x 10
^{0}volts

- -d) 3.56 x 10

- -e) 4.31 x 10
^{0}volts

- -e) 4.31 x 10

6. A 10 F capacitor is connected in series to a 10Ω resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- -a) 4 x 10
^{0}s.

- -a) 4 x 10

- -b) 1.26 x 10
^{1}s.

- -b) 1.26 x 10

- -c) 4 x 10
^{1}s.

- -c) 4 x 10

- -d) 1.26 x 10
^{2}s.

- -d) 1.26 x 10

- +e) 4 x 10
^{2}s.

- +e) 4 x 10

7. A 5 ohm and a 2 ohm resistor are connected in parallel. What is the total resistance?}

- + a) .

- - b) .

- - c) .

- - d) .

8. The voltage across two resistors in series is 10 volts. One resistor is twice as large as the other. What is the voltage across the larger resistor? What is the voltage across the smaller one? }

- - a) and.

- - b) None of these are true.

- + c) and .

- - d) and .

9. Two orbiting satellites are orbiting at a speed of 53 km/s perpendicular to a magnetic field of 58 μT. They are connected by a cable that is 29 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- -a) 7.36 x 10
^{4}volts.

- -a) 7.36 x 10

- +b) 8.91 x 10
^{4}volts.

- +b) 8.91 x 10

- -c) 1.08 x 10
^{5}volts.

- -c) 1.08 x 10

- -d) 1.31 x 10
^{5}volts.

- -d) 1.31 x 10

- -e) 1.59 x 10
^{5}volts.

- -e) 1.59 x 10

10. A 819 mF capacitor is connected in series to a 798 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- -a) 8.27 x 10
^{5}s.

- -a) 8.27 x 10

- +b) 2.61 x 10
^{6}s.

- +b) 2.61 x 10

- -c) 8.27 x 10
^{6}s.

- -c) 8.27 x 10

- -d) 2.61 x 10
^{7}s.

- -d) 2.61 x 10

- -e) 8.27 x 10
^{7}s.

- -e) 8.27 x 10

### TrigPhysT3_151021-v1s2[edit]

1. Two resistors are in parallel with a voltage source. How do their voltages compare?}

- ___ a) The voltage across both resistors is half the voltage of the source.

- ___ b) None of these are true.

- ___ c) One has full voltage, the other has none.

- ___ d) The voltage across both resistors is the same as the source.

2. A 621 mF capacitor is connected in series to a 628 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{3}? (where e =2.7...)

- ___a) 1.17 x 10
^{5}s.

- ___b) 3.7 x 10
^{5}s.

- ___c) 1.17 x 10
^{6}s.

- ___d) 3.7 x 10
^{6}s.

- ___e) 1.17 x 10
^{7}s.

3. A resistor has 8 volts across it and 3 Amps going through it. What is the power consumed?}

- ___ a) 24W

- ___ b) 3W

- ___ c) 8W

- ___ d) 2.2W

4. A 65 μF capacitor is connected in series to a 414 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- ___a) 1.08 x 10
^{1}s.

- ___b) 3.4 x 10
^{1}s.

- ___c) 1.08 x 10
^{2}s.

- ___d) 3.4 x 10
^{2}s.

- ___e) 1.08 x 10
^{3}s.

5. An loop of wire with 33 turns has a radius of 0.55 meters, and is oriented with its axis parallel to a magetic field of 0.74 Tesla. What is the induced voltage if this field is reduced to 32% of its original value in 2.4 seconds?

- ___a) 5.43 x 10
^{0}volts

- ___b) 6.58 x 10
^{0}volts

- ___c) 7.97 x 10
^{0}volts

- ___d) 9.65 x 10
^{0}volts

- ___e) 1.17 x 10
^{1}volts

6. Two parallel wires are 6.7 meters long, and are separated by 5.7 mm. What is the force if both wires carry a current of 13.3 amps?

- ___a) 4.16 x 10
^{-4}newtons

- ___b) 1.32 x 10
^{-3}newtons

- ___c) 4.16 x 10
^{-3}newtons

- ___d) 1.32 x 10
^{-2}newtons

- ___e) 4.16 x 10
^{-2}newtons

7. 3 amps flow through a 1 Ohm resistor. What is the voltage?}

- ___ a)

- ___ b)

- ___ c) None these are correct.

- ___ d)

- ___ a) and .

- ___ b) and .

- ___ c) and .

- ___ d) and .

- ___ a) ; ; ; .

- ___ b) ; ; ; .

- ___ c) ; ; ; ..

- ___ d) ; ; ; .

10. Two orbiting satellites are orbiting at a speed of 58 km/s perpendicular to a magnetic field of 46 μT. They are connected by a cable that is 22 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- ___a) 2.72 x 10
^{4}volts.

- ___b) 3.3 x 10
^{4}volts.

- ___c) 4 x 10
^{4}volts.

- ___d) 4.84 x 10
^{4}volts.

- ___e) 5.87 x 10
^{4}volts.

#### Key to TrigPhysT3_151021-v1s2[edit]

1. Two resistors are in parallel with a voltage source. How do their voltages compare?}

- - a) The voltage across both resistors is half the voltage of the source.

- - b) None of these are true.

- - c) One has full voltage, the other has none.

- + d) The voltage across both resistors is the same as the source.

2. A 621 mF capacitor is connected in series to a 628 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{3}? (where e =2.7...)

- -a) 1.17 x 10
^{5}s.

- -a) 1.17 x 10

- -b) 3.7 x 10
^{5}s.

- -b) 3.7 x 10

- +c) 1.17 x 10
^{6}s.

- +c) 1.17 x 10

- -d) 3.7 x 10
^{6}s.

- -d) 3.7 x 10

- -e) 1.17 x 10
^{7}s.

- -e) 1.17 x 10

3. A resistor has 8 volts across it and 3 Amps going through it. What is the power consumed?}

- + a) 24W

- - b) 3W

- - c) 8W

- - d) 2.2W

4. A 65 μF capacitor is connected in series to a 414 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- -a) 1.08 x 10
^{1}s.

- -a) 1.08 x 10

- -b) 3.4 x 10
^{1}s.

- -b) 3.4 x 10

- +c) 1.08 x 10
^{2}s.

- +c) 1.08 x 10

- -d) 3.4 x 10
^{2}s.

- -d) 3.4 x 10

- -e) 1.08 x 10
^{3}s.

- -e) 1.08 x 10

5. An loop of wire with 33 turns has a radius of 0.55 meters, and is oriented with its axis parallel to a magetic field of 0.74 Tesla. What is the induced voltage if this field is reduced to 32% of its original value in 2.4 seconds?

- -a) 5.43 x 10
^{0}volts

- -a) 5.43 x 10

- +b) 6.58 x 10
^{0}volts

- +b) 6.58 x 10

- -c) 7.97 x 10
^{0}volts

- -c) 7.97 x 10

- -d) 9.65 x 10
^{0}volts

- -d) 9.65 x 10

- -e) 1.17 x 10
^{1}volts

- -e) 1.17 x 10

6. Two parallel wires are 6.7 meters long, and are separated by 5.7 mm. What is the force if both wires carry a current of 13.3 amps?

- -a) 4.16 x 10
^{-4}newtons

- -a) 4.16 x 10

- -b) 1.32 x 10
^{-3}newtons

- -b) 1.32 x 10

- -c) 4.16 x 10
^{-3}newtons

- -c) 4.16 x 10

- -d) 1.32 x 10
^{-2}newtons

- -d) 1.32 x 10

- +e) 4.16 x 10
^{-2}newtons

- +e) 4.16 x 10

7. 3 amps flow through a 1 Ohm resistor. What is the voltage?}

- + a)

- - b)

- - c) None these are correct.

- - d)

- + a) and .

- - b) and .

- - c) and .

- - d) and .

- + a) ; ; ; .

- - b) ; ; ; .

- - c) ; ; ; ..

- - d) ; ; ; .

10. Two orbiting satellites are orbiting at a speed of 58 km/s perpendicular to a magnetic field of 46 μT. They are connected by a cable that is 22 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- -a) 2.72 x 10
^{4}volts.

- -a) 2.72 x 10

- -b) 3.3 x 10
^{4}volts.

- -b) 3.3 x 10

- -c) 4 x 10
^{4}volts.

- -c) 4 x 10

- -d) 4.84 x 10
^{4}volts.

- -d) 4.84 x 10

- +e) 5.87 x 10
^{4}volts.

- +e) 5.87 x 10

### TrigPhysT3_151021-v2s2[edit]

1. An loop of wire with 92 turns has a radius of 0.39 meters, and is oriented with its axis parallel to a magetic field of 0.97 Tesla. What is the induced voltage if this field is reduced to 16% of its original value in 1.4 seconds?

- ___a) 2.56 x 10
^{1}volts

- ___b) 3.1 x 10
^{1}volts

- ___c) 3.76 x 10
^{1}volts

- ___d) 4.55 x 10
^{1}volts

- ___e) 5.51 x 10
^{1}volts

- ___ a) and .

- ___ b) and .

- ___ c) and .

- ___ d) and .

3. 3 amps flow through a 1 Ohm resistor. What is the voltage?}

- ___ a)

- ___ b)

- ___ c) None these are correct.

- ___ d)

- ___ a) ; ; ; .

- ___ b) ; ; ; .

- ___ c) ; ; ; .

- ___ d) ; ; ; ..

5. A 65 μF capacitor is connected in series to a 414 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- ___a) 1.08 x 10
^{1}s.

- ___b) 3.4 x 10
^{1}s.

- ___c) 1.08 x 10
^{2}s.

- ___d) 3.4 x 10
^{2}s.

- ___e) 1.08 x 10
^{3}s.

6. A 621 mF capacitor is connected in series to a 628 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{3}? (where e =2.7...)

- ___a) 1.17 x 10
^{5}s.

- ___b) 3.7 x 10
^{5}s.

- ___c) 1.17 x 10
^{6}s.

- ___d) 3.7 x 10
^{6}s.

- ___e) 1.17 x 10
^{7}s.

7. Two parallel wires are 6.7 meters long, and are separated by 5.7 mm. What is the force if both wires carry a current of 13.3 amps?

- ___a) 4.16 x 10
^{-4}newtons

- ___b) 1.32 x 10
^{-3}newtons

- ___c) 4.16 x 10
^{-3}newtons

- ___d) 1.32 x 10
^{-2}newtons

- ___e) 4.16 x 10
^{-2}newtons

8. Two orbiting satellites are orbiting at a speed of 83 km/s perpendicular to a magnetic field of 57 μT. They are connected by a cable that is 23 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- ___a) 8.98 x 10
^{4}volts.

- ___b) 1.09 x 10
^{5}volts.

- ___c) 1.32 x 10
^{5}volts.

- ___d) 1.6 x 10
^{5}volts.

- ___e) 1.93 x 10
^{5}volts.

9. A resistor has 8 volts across it and 3 Amps going through it. What is the power consumed?}

- ___ a) 24W

- ___ b) 3W

- ___ c) 8W

- ___ d) 2.2W

10. Two resistors are in parallel with a voltage source. How do their voltages compare?}

- ___ a) None of these are true.

- ___ b) The voltage across both resistors is the same as the source.

- ___ c) The voltage across both resistors is half the voltage of the source.

- ___ d) One has full voltage, the other has none.

#### Key to TrigPhysT3_151021-v2s2[edit]

1. An loop of wire with 92 turns has a radius of 0.39 meters, and is oriented with its axis parallel to a magetic field of 0.97 Tesla. What is the induced voltage if this field is reduced to 16% of its original value in 1.4 seconds?

- +a) 2.56 x 10
^{1}volts

- +a) 2.56 x 10

- -b) 3.1 x 10
^{1}volts

- -b) 3.1 x 10

- -c) 3.76 x 10
^{1}volts

- -c) 3.76 x 10

- -d) 4.55 x 10
^{1}volts

- -d) 4.55 x 10

- -e) 5.51 x 10
^{1}volts

- -e) 5.51 x 10

- - a) and .

- + b) and .

- - c) and .

- - d) and .

3. 3 amps flow through a 1 Ohm resistor. What is the voltage?}

- + a)

- - b)

- - c) None these are correct.

- - d)

- - a) ; ; ; .

- + b) ; ; ; .

- - c) ; ; ; .

- - d) ; ; ; ..

5. A 65 μF capacitor is connected in series to a 414 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- -a) 1.08 x 10
^{1}s.

- -a) 1.08 x 10

- -b) 3.4 x 10
^{1}s.

- -b) 3.4 x 10

- +c) 1.08 x 10
^{2}s.

- +c) 1.08 x 10

- -d) 3.4 x 10
^{2}s.

- -d) 3.4 x 10

- -e) 1.08 x 10
^{3}s.

- -e) 1.08 x 10

6. A 621 mF capacitor is connected in series to a 628 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{3}? (where e =2.7...)

- -a) 1.17 x 10
^{5}s.

- -a) 1.17 x 10

- -b) 3.7 x 10
^{5}s.

- -b) 3.7 x 10

- +c) 1.17 x 10
^{6}s.

- +c) 1.17 x 10

- -d) 3.7 x 10
^{6}s.

- -d) 3.7 x 10

- -e) 1.17 x 10
^{7}s.

- -e) 1.17 x 10

7. Two parallel wires are 6.7 meters long, and are separated by 5.7 mm. What is the force if both wires carry a current of 13.3 amps?

- -a) 4.16 x 10
^{-4}newtons

- -a) 4.16 x 10

- -b) 1.32 x 10
^{-3}newtons

- -b) 1.32 x 10

- -c) 4.16 x 10
^{-3}newtons

- -c) 4.16 x 10

- -d) 1.32 x 10
^{-2}newtons

- -d) 1.32 x 10

- +e) 4.16 x 10
^{-2}newtons

- +e) 4.16 x 10

8. Two orbiting satellites are orbiting at a speed of 83 km/s perpendicular to a magnetic field of 57 μT. They are connected by a cable that is 23 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- -a) 8.98 x 10
^{4}volts.

- -a) 8.98 x 10

- +b) 1.09 x 10
^{5}volts.

- +b) 1.09 x 10

- -c) 1.32 x 10
^{5}volts.

- -c) 1.32 x 10

- -d) 1.6 x 10
^{5}volts.

- -d) 1.6 x 10

- -e) 1.93 x 10
^{5}volts.

- -e) 1.93 x 10

9. A resistor has 8 volts across it and 3 Amps going through it. What is the power consumed?}

- + a) 24W

- - b) 3W

- - c) 8W

- - d) 2.2W

10. Two resistors are in parallel with a voltage source. How do their voltages compare?}

- - a) None of these are true.

- + b) The voltage across both resistors is the same as the source.

- - c) The voltage across both resistors is half the voltage of the source.

- - d) One has full voltage, the other has none.

### TrigPhysT3_151021-v1s3[edit]

- ___ a) ; ; ; .

- ___ b) ; ; ; ..

- ___ c) ; ; ; .

- ___ d) ; ; ; .

2. Two orbiting satellites are orbiting at a speed of 83 km/s perpendicular to a magnetic field of 57 μT. They are connected by a cable that is 23 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- ___a) 8.98 x 10
^{4}volts.

- ___b) 1.09 x 10
^{5}volts.

- ___c) 1.32 x 10
^{5}volts.

- ___d) 1.6 x 10
^{5}volts.

- ___e) 1.93 x 10
^{5}volts.

3. An loop of wire with 43 turns has a radius of 0.27 meters, and is oriented with its axis parallel to a magetic field of 0.68 Tesla. What is the induced voltage if this field is reduced to 36% of its original value in 3.8 seconds?

- ___a) 6.34 x 10
^{-1}volts

- ___b) 7.68 x 10
^{-1}volts

- ___c) 9.31 x 10
^{-1}volts

- ___d) 1.13 x 10
^{0}volts

- ___e) 1.37 x 10
^{0}volts

4. The voltage across two resistors in series is 10 volts. One resistor is twice as large as the other. What is the voltage across the larger resistor? What is the voltage across the smaller one? }

- ___ a) None of these are true.

- ___ b) and.

- ___ c) and .

- ___ d) and .

5. Blood is flowing at an average rate of 21.5 cm/s in an artery that has an inner diameter of 3.5 mm. What is the voltage across a hall probe placed across the inner diameter of the artery if the perpendicular magnetic field is 0.11 Tesla?

- ___a) 8.28 x 10
^{-6}Volts

- ___b) 2.62 x 10
^{-5}Volts

- ___c) 8.28 x 10
^{-5}Volts

- ___d) 2.62 x 10
^{-4}Volts

- ___e) 8.28 x 10
^{-4}Volts

6. Why do we say the "voltage across" or "the voltage with respect to?" Why can't we just say voltage?}

- ___ a) Voltage is a measure of Electric Potential difference between two electrical points.

- ___ b) None these are correct

- ___ c) It's an Electrical
*Cliche*.

- ___ d) The other point could be Negative or positive.

7. A resistor has 3 volts across it. Its resistance is 1.5 ohms. What is the current?}

- ___ a) 1.5A

- ___ b) 3A

- ___ c) 2A

- ___ d) 12A

8. A 547 mF capacitor is connected in series to a 2 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- ___a) 1.38 x 10
^{3}s.

- ___b) 4.38 x 10
^{3}s.

- ___c) 1.38 x 10
^{4}s.

- ___d) 4.38 x 10
^{4}s.

- ___e) 1.38 x 10
^{5}s.

9. A resistor has a voltage of 5 volts and a resistance of 15 ohms. What is the power consumed? }

- ___ a) None of these are ture.

- ___ b) 11.67 Joules

- ___ c) 1.67 Watts

- ___ d) 2.5 Watts

10. A 727 mF capacitor is connected in series to a 860 MΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{3}? (where e =2.7...)

- ___a) 1.88 x 10
^{9}s.

- ___b) 5.93 x 10
^{9}s.

- ___c) 1.88 x 10
^{10}s.

- ___d) 5.93 x 10
^{10}s.

- ___e) 1.88 x 10
^{11}s.

#### Key to TrigPhysT3_151021-v1s3[edit]

- - a) ; ; ; .

- - b) ; ; ; ..

- - c) ; ; ; .

- + d) ; ; ; .

2. Two orbiting satellites are orbiting at a speed of 83 km/s perpendicular to a magnetic field of 57 μT. They are connected by a cable that is 23 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- -a) 8.98 x 10
^{4}volts.

- -a) 8.98 x 10

- +b) 1.09 x 10
^{5}volts.

- +b) 1.09 x 10

- -c) 1.32 x 10
^{5}volts.

- -c) 1.32 x 10

- -d) 1.6 x 10
^{5}volts.

- -d) 1.6 x 10

- -e) 1.93 x 10
^{5}volts.

- -e) 1.93 x 10

3. An loop of wire with 43 turns has a radius of 0.27 meters, and is oriented with its axis parallel to a magetic field of 0.68 Tesla. What is the induced voltage if this field is reduced to 36% of its original value in 3.8 seconds?

- -a) 6.34 x 10
^{-1}volts

- -a) 6.34 x 10

- -b) 7.68 x 10
^{-1}volts

- -b) 7.68 x 10

- -c) 9.31 x 10
^{-1}volts

- -c) 9.31 x 10

- +d) 1.13 x 10
^{0}volts

- +d) 1.13 x 10

- -e) 1.37 x 10
^{0}volts

- -e) 1.37 x 10

4. The voltage across two resistors in series is 10 volts. One resistor is twice as large as the other. What is the voltage across the larger resistor? What is the voltage across the smaller one? }

- - a) None of these are true.

- - b) and.

- - c) and .

- + d) and .

5. Blood is flowing at an average rate of 21.5 cm/s in an artery that has an inner diameter of 3.5 mm. What is the voltage across a hall probe placed across the inner diameter of the artery if the perpendicular magnetic field is 0.11 Tesla?

- -a) 8.28 x 10
^{-6}Volts

- -a) 8.28 x 10

- -b) 2.62 x 10
^{-5}Volts

- -b) 2.62 x 10

- +c) 8.28 x 10
^{-5}Volts

- +c) 8.28 x 10

- -d) 2.62 x 10
^{-4}Volts

- -d) 2.62 x 10

- -e) 8.28 x 10
^{-4}Volts

- -e) 8.28 x 10

6. Why do we say the "voltage across" or "the voltage with respect to?" Why can't we just say voltage?}

- + a) Voltage is a measure of Electric Potential difference between two electrical points.

- - b) None these are correct

- - c) It's an Electrical
*Cliche*.

- - c) It's an Electrical

- - d) The other point could be Negative or positive.

7. A resistor has 3 volts across it. Its resistance is 1.5 ohms. What is the current?}

- - a) 1.5A

- - b) 3A

- + c) 2A

- - d) 12A

8. A 547 mF capacitor is connected in series to a 2 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- -a) 1.38 x 10
^{3}s.

- -a) 1.38 x 10

- +b) 4.38 x 10
^{3}s.

- +b) 4.38 x 10

- -c) 1.38 x 10
^{4}s.

- -c) 1.38 x 10

- -d) 4.38 x 10
^{4}s.

- -d) 4.38 x 10

- -e) 1.38 x 10
^{5}s.

- -e) 1.38 x 10

9. A resistor has a voltage of 5 volts and a resistance of 15 ohms. What is the power consumed? }

- - a) None of these are ture.

- - b) 11.67 Joules

- + c) 1.67 Watts

- - d) 2.5 Watts

10. A 727 mF capacitor is connected in series to a 860 MΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{3}? (where e =2.7...)

- +a) 1.88 x 10
^{9}s.

- +a) 1.88 x 10

- -b) 5.93 x 10
^{9}s.

- -b) 5.93 x 10

- -c) 1.88 x 10
^{10}s.

- -c) 1.88 x 10

- -d) 5.93 x 10
^{10}s.

- -d) 5.93 x 10

- -e) 1.88 x 10
^{11}s.

- -e) 1.88 x 10

### TrigPhysT3_151021-v2s3[edit]

1. A resistor has a voltage of 5 volts and a resistance of 15 ohms. What is the power consumed? }

- ___ a) 11.67 Joules

- ___ b) None of these are ture.

- ___ c) 2.5 Watts

- ___ d) 1.67 Watts

2. A 206 mF capacitor is connected in series to a 990 MΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- ___a) 8.16 x 10
^{8}s.

- ___b) 2.58 x 10
^{9}s.

- ___c) 8.16 x 10
^{9}s.

- ___d) 2.58 x 10
^{10}s.

- ___e) 8.16 x 10
^{10}s.

- ___ a) ; ; ; .

- ___ b) ; ; ; .

- ___ c) ; ; ; ..

- ___ d) ; ; ; .

4. Blood is flowing at an average rate of 21.5 cm/s in an artery that has an inner diameter of 3.5 mm. What is the voltage across a hall probe placed across the inner diameter of the artery if the perpendicular magnetic field is 0.11 Tesla?

- ___a) 8.28 x 10
^{-6}Volts

- ___b) 2.62 x 10
^{-5}Volts

- ___c) 8.28 x 10
^{-5}Volts

- ___d) 2.62 x 10
^{-4}Volts

- ___e) 8.28 x 10
^{-4}Volts

5. A 547 mF capacitor is connected in series to a 2 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- ___a) 1.38 x 10
^{3}s.

- ___b) 4.38 x 10
^{3}s.

- ___c) 1.38 x 10
^{4}s.

- ___d) 4.38 x 10
^{4}s.

- ___e) 1.38 x 10
^{5}s.

6. Two orbiting satellites are orbiting at a speed of 83 km/s perpendicular to a magnetic field of 57 μT. They are connected by a cable that is 23 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- ___a) 8.98 x 10
^{4}volts.

- ___b) 1.09 x 10
^{5}volts.

- ___c) 1.32 x 10
^{5}volts.

- ___d) 1.6 x 10
^{5}volts.

- ___e) 1.93 x 10
^{5}volts.

7. Why do we say the "voltage across" or "the voltage with respect to?" Why can't we just say voltage?}

- ___ a) The other point could be Negative or positive.

- ___ b) Voltage is a measure of Electric Potential difference between two electrical points.

- ___ c) It's an Electrical
*Cliche*.

- ___ d) None these are correct

8. The voltage across two resistors in series is 10 volts. One resistor is twice as large as the other. What is the voltage across the larger resistor? What is the voltage across the smaller one? }

- ___ a) and .

- ___ b) None of these are true.

- ___ c) and .

- ___ d) and.

9. A resistor has 3 volts across it. Its resistance is 1.5 ohms. What is the current?}

- ___ a) 1.5A

- ___ b) 3A

- ___ c) 12A

- ___ d) 2A

10. An loop of wire with 33 turns has a radius of 0.55 meters, and is oriented with its axis parallel to a magetic field of 0.74 Tesla. What is the induced voltage if this field is reduced to 32% of its original value in 2.4 seconds?

- ___a) 5.43 x 10
^{0}volts

- ___b) 6.58 x 10
^{0}volts

- ___c) 7.97 x 10
^{0}volts

- ___d) 9.65 x 10
^{0}volts

- ___e) 1.17 x 10
^{1}volts

#### Key to TrigPhysT3_151021-v2s3[edit]

1. A resistor has a voltage of 5 volts and a resistance of 15 ohms. What is the power consumed? }

- - a) 11.67 Joules

- - b) None of these are ture.

- - c) 2.5 Watts

- + d) 1.67 Watts

2. A 206 mF capacitor is connected in series to a 990 MΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- +a) 8.16 x 10
^{8}s.

- +a) 8.16 x 10

- -b) 2.58 x 10
^{9}s.

- -b) 2.58 x 10

- -c) 8.16 x 10
^{9}s.

- -c) 8.16 x 10

- -d) 2.58 x 10
^{10}s.

- -d) 2.58 x 10

- -e) 8.16 x 10
^{10}s.

- -e) 8.16 x 10

- - a) ; ; ; .

- + b) ; ; ; .

- - c) ; ; ; ..

- - d) ; ; ; .

4. Blood is flowing at an average rate of 21.5 cm/s in an artery that has an inner diameter of 3.5 mm. What is the voltage across a hall probe placed across the inner diameter of the artery if the perpendicular magnetic field is 0.11 Tesla?

- -a) 8.28 x 10
^{-6}Volts

- -a) 8.28 x 10

- -b) 2.62 x 10
^{-5}Volts

- -b) 2.62 x 10

- +c) 8.28 x 10
^{-5}Volts

- +c) 8.28 x 10

- -d) 2.62 x 10
^{-4}Volts

- -d) 2.62 x 10

- -e) 8.28 x 10
^{-4}Volts

- -e) 8.28 x 10

5. A 547 mF capacitor is connected in series to a 2 kΩ resistor. If the capacitor is discharged, how long does it take to fall by a factor of e^{4}? (where e =2.7...)

- -a) 1.38 x 10
^{3}s.

- -a) 1.38 x 10

- +b) 4.38 x 10
^{3}s.

- +b) 4.38 x 10

- -c) 1.38 x 10
^{4}s.

- -c) 1.38 x 10

- -d) 4.38 x 10
^{4}s.

- -d) 4.38 x 10

- -e) 1.38 x 10
^{5}s.

- -e) 1.38 x 10

6. Two orbiting satellites are orbiting at a speed of 83 km/s perpendicular to a magnetic field of 57 μT. They are connected by a cable that is 23 km long. A voltmeter is attached between a satellite and one end of the cable. The voltmeter's internal impedance far exceeds the net resistance through the ionosphere that completes the circuit. What is the measured voltage?

- -a) 8.98 x 10
^{4}volts.

- -a) 8.98 x 10

- +b) 1.09 x 10
^{5}volts.

- +b) 1.09 x 10

- -c) 1.32 x 10
^{5}volts.

- -c) 1.32 x 10

- -d) 1.6 x 10
^{5}volts.

- -d) 1.6 x 10

- -e) 1.93 x 10
^{5}volts.

- -e) 1.93 x 10

7. Why do we say the "voltage across" or "the voltage with respect to?" Why can't we just say voltage?}

- - a) The other point could be Negative or positive.

- + b) Voltage is a measure of Electric Potential difference between two electrical points.

- - c) It's an Electrical
*Cliche*.

- - c) It's an Electrical

- - d) None these are correct

- - a) and .

- - b) None of these are true.

- + c) and .

- - d) and.

9. A resistor has 3 volts across it. Its resistance is 1.5 ohms. What is the current?}

- - a) 1.5A

- - b) 3A

- - c) 12A

- + d) 2A

10. An loop of wire with 33 turns has a radius of 0.55 meters, and is oriented with its axis parallel to a magetic field of 0.74 Tesla. What is the induced voltage if this field is reduced to 32% of its original value in 2.4 seconds?

- -a) 5.43 x 10
^{0}volts

- -a) 5.43 x 10

- +b) 6.58 x 10
^{0}volts

- +b) 6.58 x 10

- -c) 7.97 x 10
^{0}volts

- -c) 7.97 x 10

- -d) 9.65 x 10
^{0}volts

- -d) 9.65 x 10

- -e) 1.17 x 10
^{1}volts

- -e) 1.17 x 10

- Attribution (for quiz questions) under CC-by-SA license

- http://en.wikiversity.org/w/index.php?title=Physics_equations/18-Electric_charge_and_field/Q:findE&oldid=1378605
- http://en.wikiversity.org/w/index.php?title=Electric_Circuit_Analysis/Circuit_Analysis_Quiz_1/Electric_Circuit_Analysis_quiz_1&oldid=1391147
- http://en.wikiversity.org/w/index.php?title=Physics_equations/21-Circuits,_Bioelectricity,_and_DC_Instruments/Q:RCdecay&oldid=1391133
- http://en.wikiversity.org/w/index.php?title=Physics_equations/22-Magnetism/Q:forces&oldid=1391166
- Study guide

- http://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters
- http://en.wikiversity.org/wiki/Electric_Circuit_Analysis