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Electrostatic and Capacitance

Electrostatic and Capacitance
Which of the following capacitor is preferred in case of single phase motor ?

Air
Electrolytic
Paper
Mica

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Electrostatic and Capacitance
A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is

0.8 F
0.6 F
0.12 F
0.024 F

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Electrostatic and Capacitance
The true power in a capacitor is zero.

1

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Electrostatic and Capacitance
A 0.00022 F capacitor equals how many micro-farads?

22,200 µF
2,200 µF
22 µF
220 µF

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Electrostatic and Capacitance
When the plate area of a capacitor increases,

The capacitance is unaffected
The voltage it can withstand increases
The capacitance decreases
The capacitance increases

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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
100 µF
152 µF
2.43 µF

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