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Electrostatic and Capacitance

Electrostatic and Capacitance
The breakdown voltage for paper capacitors is usually

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

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

1

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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

152 µF
2.43 µF
100 µF
4.86 µF

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Electrostatic and Capacitance
Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the

Charge on the capacitor increases
Voltage across the plates increases
Charge on the capacitor decreases
Voltage across the plates decreases

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Electrostatic and Capacitance
The electric field at a point situated at a distance d from straight charged conductor is

proportional to d
None of the listed here
Inversely proportional to d
Inversely proportional to d

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Electrostatic and Capacitance
Paper condenser is

Usually of fixed value
None of the listed here
Always polarised
Electrolytic condenser

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