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Electrostatic and Capacitance

Electrostatic and Capacitance
The true power in a capacitor is zero.

1

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Electrostatic and Capacitance
Acharge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 10 N, is known as

coulomb
milli-coulomb
pico-coulomb
micro-coulomb

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Electrostatic and Capacitance
If a 6 uF capacitor is charged to 200 V, the charge in coulombs will be

400
1600
800
1200

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Electrostatic and Capacitance
An electrolytic capacitor can be used for

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

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Electrostatic and Capacitance
Paper condenser is

Usually of fixed value
None of the listed here
Always polarised
Electrolytic condenser

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Electrostatic and Capacitance
A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is

1.2 s
0.4 s
0.6 s
0.8 s

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