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Capacitors

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 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?

3.5 s
70.5 ms
352 ms
35 ms

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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
800 mV
80 mV
80 V

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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
11.7 Ω
4.68 Ω
46.8 Ω

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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 0.01 F capacitor equals how many picofarads?

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

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