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Electrostatic and Capacitance

Electrostatic and Capacitance
The capacity of capacitor bank used in power factor correction is expressed in terms of

KVA
KVAR
KW
KV

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Electrostatic and Capacitance
The presence of an uncharged conductor near a charged one increases the

Potential of the charged conductor
Capacity of the charged conductor
All of the listed here
Charge of the charged conductor

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Electrostatic and Capacitance
A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is

100 KV/m
30 KV/m
10 KV/m
50 KV/m

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Electrostatic and Capacitance
The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as

Magnetic effect
Chemical effect
Induction
Photoelectric effect

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Electrostatic and Capacitance
Out of the following capacitors of identical rating which one will have the smallest dimensions ?

Paper capacitor
Aluminium foil capacitor
Mica capacitor
Ceramic capacitor

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Electrostatic and Capacitance
Dielectric strength of mica is

300 to 500 kV/mm
30 to 50 kV/mm
50 to 200 kV/mm
10 to 20 kV/mm

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