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Electrostatic and Capacitance

Electrostatic and Capacitance
The bridge used for the measurement of the value of the capacitance is

Hay's bridge
Schering bridge
Maxwell bridge
Wheastone bridge

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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 single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is

62 x 105 V/m
82 x 105 V/m
92 x 105 V/m
72 x 105 V/m

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Electrostatic and Capacitance
A region around a stationary electric charge has

None of the listed here
A magnetic field
Both Electric & Magnetic
An electric field

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Electrostatic and Capacitance
An electrolytic capacitor is generally made to provide

Variable capacitance
Fixed capacitance
Large value of capacitance
Low capacitance

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Electrostatic and Capacitance
Capacitors are mainly used for radio frequency tuning.

Air
Electrolytic
Mica
Paper

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