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Electrostatic and Capacitance
Electrostatic and Capacitance
A 0.00022 F capacitor equals how many micro-farads?
220 µF
22 µF
2,200 µF
22,200 µF
220 µF
22 µF
2,200 µF
22,200 µF
Answer
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Electrostatic and Capacitance
Two series capacitors (one 2 µF, the other of unknown value) are charged from a 24 V source. The 2 µF capacitor is charged to 16 V and the other to 8 V. The value of the unknown capacitor is
1 µF
2 µF
8 µF
4 µF
1 µF
2 µF
8 µF
4 µF
Answer
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Electrostatic and Capacitance
Four 0.15 µF capacitors are in parallel. The total capacitance is
0.8 µF
0.30 µF
0.15 µF
0.6 µF
0.8 µF
0.30 µF
0.15 µF
0.6 µF
Answer
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Electrostatic and Capacitance
A 10 µF, 20 µF, 22 µF, and 100 µF capacitor are in parallel. The total capacitance is
4.86 µF
152 µF
2.43 µF
100 µF
4.86 µF
152 µF
2.43 µF
100 µF
Answer
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Electrostatic and Capacitance
A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?
35 ms
70.5 ms
3.5 ms
352 ms
35 ms
70.5 ms
3.5 ms
352 ms
Answer
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