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Electrostatic and Capacitance

Electrostatic and Capacitance
A gang condenser is a

Polarised capacitor
Ceramic capacitor
None of the listed here
Variable Capacitance

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Electrostatic and Capacitance
The relative permittivity of free space is given by

1
10
100
2

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

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Electrostatic and Capacitance
The minimum value of potential gradient in a cable occurs in

insulation
conductor
outer sheath
uniformly all over

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Electrostatic and Capacitance
When the voltage across a capacitor is tripled, the stored charge

Is cut to one-third
Doubles
Triples
Stays the same

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Electrostatic and Capacitance
A capacitor consists of two

Insulators separated by a dielectric
Ceramic plates and one mica disc
Conductors separated by an insulator
None of the listed here

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