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Electrostatic and Capacitance

Electrostatic and Capacitance
An electrolytic capacitor is generally made to provide

Fixed capacitance
Low capacitance
Large value of capacitance
Variable capacitance

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Electrostatic and Capacitance
Capacitors are used for audio frequency and radio frequency coupling and tuning

Paper
Air
Mica
Ceramic

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Electrostatic and Capacitance
Air capacitors are generally available in the range

200 to 300 pF
100 to 500 pF
1 to 20 pF
10 to 400 pF

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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

54
37
45
42

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Electrostatic and Capacitance
Dielectric constant for mica is nearly

200
1 to 2
3 to 8
100

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Electrostatic and Capacitance
1 volt/meter is same as

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

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MORE MCQ ON Electrostatic and Capacitance

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