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Capacitors

Capacitors
A 0.47 μF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is

1.7 Ω
17 Ω
170 Ω
0.000169 Ω

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Capacitors
A 4.7 M Ω resistor is in series with a 0.015 μ F capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?

70.5 ms
35 ms
352 ms
3.5 s

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

480 μs
48 μs
2.42 μs
24 μs

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Capacitors
A capacitor of 0.02 μF is larger than

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

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Capacitors
A 0.01 F capacitor equals how many picofarads?

1,000 pF
100 pF
10,000 pF
100,000 pF

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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
100 μF
152 μF
2.43 μF

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