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Electrostatic and Capacitance

Electrostatic and Capacitance
capacitors are used in transistor circuits.

Air
Ceramic
Electrolytic
Paper

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Electrostatic and Capacitance
A 10 µF, 20 µF, 22 µF, and 100 µF capacitor are in parallel. The total capacitance is

152 µF
4.86 µF
100 µF
2.43 µF

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Electrostatic and Capacitance
Which of the following material has least value of dielectric constant ?

Mica
Oil
Paper
Ceramic

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Electrostatic and Capacitance
In the case of a lossy capacitor, its series equivalent resistance value will be

zero
large
very small
small

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Electrostatic and Capacitance
The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to ______ percent of its value.

37, initial
62, initial
37, final
62, final

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

Disc
Tubes
None of the listed here
Rolled Foil

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