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Capacitors

Capacitors
A 220 Ω resistor is in series with a 2.2 μF capacitor. The time constant is

480 μs
24 μs
2.42 μs
48 μs

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Capacitors
Four 0.15 μF capacitors are in parallel. The total capacitance is

0.8 μF
0.15 μF
0.6 μF
0.30 μF

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Capacitors
A 10 μF, 20 μF, 22 μF, and 100 μF capacitor are in parallel. The total capacitance is

4.86 μF
2.43 μF
100 μF
152 μF

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Capacitors
An uncharged capacitor and a 1 k Ω resistor are connected in series with a switch and a 6 V battery. At the instant the switch is closed, the voltage across the capacitor is

3 V
0 V
2 V
6 V

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Capacitors
A capacitor of 0.02 μF is larger than

200,000 pF
0.000020 F
2,000 pF
All of these

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Capacitors
Two series capacitors (one 2 μ F, the other of unknown value) are charged from a 24 V source. The 2 μ F capacitor is charged to 16 V and the other to 8 V. The value of the unknown capacitor is

1 μ F
2 μ F
4 μ F
8 μ F

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