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Capacitors

Capacitors
A 0.01 F capacitor equals how many picofarads?

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

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

24 μs
48 μs
480 μs
2.42 μs

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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

8 μ F
1 μ F
4 μ F
2 μ F

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Capacitors
In Question 6, the capacitor will reach full charge in a time equal to approximately

5 RC
None of these
RC
6 RC

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Capacitors
What is the capacitance when Q = 60 μC and V = 12 V?

720 μF
5 μF
50 μF
12 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?

70.5 ms
3.5 s
35 ms
352 ms

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