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Electrostatic and Capacitance

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

37
54
45
42

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

Ceramic capacitor
Air capacitor
None of these
Paper capacitor

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Electrostatic and Capacitance
The sparking between two electrical contacts can be reduced by inserting a

None of these
capacitor in parallel with contacts
capacitor in series with each contact
resistance in line

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

Paper
Air
Electrolytic
Mica

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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
Magnetic flux density
Electric flux
Electric intensity

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Electrostatic and Capacitance
1 volt/meter is same as

1 joule/coulomb
1 newton/meter
1 newton meter
1 meter/coulomb

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