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Electrostatic and Capacitance

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

1

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Electrostatic and Capacitance
The potential gradient across the material of low permittivity is than across the material of high permittivity.

None of these
both (A) and (B)
smaller
greater

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Electrostatic and Capacitance
A capacitor of 2,000 pF is greater than

0.0000002 F
0.02 µF
0.002 µF
0.0002 µF

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Electrostatic and Capacitance
The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to ______ percent of its value.

62, initial
62, final
37, initial
37, final

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Electrostatic and Capacitance
A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?

All of the listed here
Paper capacitor
Electrolytic Capacitor
Mica capacitor

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Electrostatic and Capacitance
Permittivity is expressed in

Farad/sq-m
Farad/meter
Weber/meter
Weber/sq-m

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