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Electrostatic and Capacitance

Electrostatic and Capacitance
In the case of a lossy capacitor, its series equivalent resistance value will be

large
zero
small
very small

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

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Electrostatic and Capacitance
Paper condenser is

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

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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
37, initial
37, final
62, final

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Electrostatic and Capacitance
1 volt/meter is same as

1 joule/coulomb
1 newton/meter
1 meter/coulomb
1 newton meter

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Electrostatic and Capacitance
Dielectric strength of medium

Increases with moisture content
None of the listed here
Is same for all insulating materials
Increases with rise in temperature

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