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Electrostatic and Capacitance

Electrostatic and Capacitance
Which of the following capacitors can be used for temperature compensation ?

Air capacitor
None of these
Ceramic capacitor
Paper capacitor

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Electrostatic and Capacitance
The number of Faraday tubes of flux passing through a surface in an electric field is called

Electric flux density
Electric intensity
Magnetic flux density
Electric flux

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Electrostatic and Capacitance
Capacitors can be used only for D.C.

Paper
Mica
Electrolytic
Air

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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

45
54
42
37

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Electrostatic and Capacitance
The ohmmeter reading for a short circuited capacitor is

None of the listed here
Zero
Few kilo ohm
Infinity

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Electrostatic and Capacitance
Five time constants are required for a capacitor to charge fully or discharge fully.

1

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