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Electrostatic and Capacitance

Electrostatic and Capacitance
Which of the following capacitors will have the least value of breakdown voltage ?

Mica
Paper
Air
Electrolytic

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Electrostatic and Capacitance
The breakdown voltage for paper capacitors is usually

200 to 1600 volts
more than 10000 volts
20 to 60 volts
2000 to 3000 volts

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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?

3.5 ms
70.5 ms
35 ms
352 ms

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Electrostatic and Capacitance
A paper capacitor is usually available in the form of

Tubes
None of the listed here
Disc
Rolled Foil

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Electrostatic and Capacitance
XC is inversely proportional to frequency and capacitance.

1

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Electrostatic and Capacitance
is that property of a capacitor which delays any change of voltage across it.

Potential gradient
None of these
Inductance
Capacitance

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