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Capacitors

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

6 RC
None of these
RC
5 RC

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

17 Ω
170 Ω
0.000169 Ω
1.7 Ω

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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
8 μ F
2 μ F
4 μ F

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

48 μs
480 μs
2.42 μs
24 μs

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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
352 ms
35 ms
70.5 ms

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

0.6 μF
0.30 μF
0.15 μF
0.8 μF

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