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Capacitors

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
A 2 μ F, a 4 μ F, and a 10 μ F capacitor are connected in series. The total capacitance is less than

1.5 μ F
10 μ F
4 μ F
2 μ F

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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

6 V
2 V
0 V
3 V

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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
6 RC
RC

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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 0.00022 F capacitor equals how many microfarads?

2,200 μF
220 μF
22,200 μF
22 μF

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