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Electrostatic and Capacitance

Electrostatic and Capacitance
A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is

48 µs
24 µs
480 µs
2.42 µs

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

Paper
Air
Mica
Electrolytic

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Electrostatic and Capacitance
The capacitor preferred for high frequency circuits is

Mica
None of the listed here
Paper
Air

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Electrostatic and Capacitance
The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be

36 x 109 N
36 x 108 N
36 x 107 N
36 x 10 fa

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Electrostatic and Capacitance
One volt is the same as

one joule/coulomb
one coulomb
one joule
one coulomb/joule

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Electrostatic and Capacitance
An electrolytic capacitor can be used for

AC only
AC & DC both
DC only
None of the listed here

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MORE MCQ ON Electrostatic and Capacitance

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