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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
170 Ω
17 Ω
0.000169 Ω

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Capacitors
A 0.00022 F capacitor equals how many microfarads?

22,200 μF
2,200 μF
22 μF
220 μF

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

2.42 μs
24 μs
48 μs
480 μs

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Capacitors
A 12 kHz voltage is applied to a 0.33 F capacitor, and 200 mA of rms current is measured. What is the value of the voltage?

8 V
80 mV
80 V
800 mV

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

0.8 μF
0.15 μF
0.30 μF
0.6 μF

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Capacitors
Two 0.68 μ F capacitors are connected in series across a 10 kHz sine wave signal source. The total capacitive reactance is

23.41 Ω
4.68 Ω
11.7 Ω
46.8 Ω

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