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Electrostatic and Capacitance

Electrostatic and Capacitance
An electrolytic capacitor can be used for

AC only
Both DC and AC
None of the listed here
DC only

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Electrostatic and Capacitance
The dissipation factor of a good dielectric is of the order of

2.0
0.002
0.2
0.0002

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Electrostatic and Capacitance
A paper capacitor is usually available in the form of

Tubes
None of the listed here
Disc
Rolled Foil

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Electrostatic and Capacitance
Dielectric strength of a medium is usually expressed in

C/mm
KV/mm
None of the listed here
N/mm

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Electrostatic and Capacitance
A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

10 times greater than before
25 times larger than before
5 times smaller than before
5 times greater than before

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Electrostatic and Capacitance
Which capacitor will be physically smaller for the same ratings ?

Paper capacitor
Both will be of equal size
Ceramic capacitor
None of these

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MORE MCQ ON Electrostatic and Capacitance

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