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Electrostatic and Capacitance

Electrostatic and Capacitance
An electrolytic capacitor can be used for

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

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Electrostatic and Capacitance
Paper capacitors usually have a tolerance of

± 15%
± 5%
± 10%
None of the listed here

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

Aluminium foil capacitor
Ceramic capacitor
Paper capacitor
Mica capacitor

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Electrostatic and Capacitance
Mica capacitors are characterised by all of the following except

low losses
accurate value
low leakage reactance
stable operation

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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

pico-coulomb
milli-coulomb
micro-coulomb
coulomb

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Electrostatic and Capacitance
The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value

42
54
37
45

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MORE MCQ ON Electrostatic and Capacitance

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