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Electrostatic and Capacitance

Electrostatic and Capacitance
A 330 pF capacitor and a 220 pF capacitor are each connected across a 6 V dc source. The voltage across the 330 pF capacitor is

6 V
4 V
3 V
0 V

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Electrostatic and Capacitance
If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is

Lossy
Charged
Satisfactory
Short-circuited

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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.

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

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Electrostatic and Capacitance
Which of the following capacitors will have the least value of breakdown voltage ?

Paper
Air
Electrolytic
Mica

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Electrostatic and Capacitance
The lines of force due to charged particles are

always straight
None of these
sometimes curved
always curved

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Electrostatic and Capacitance
An electrolytic capacitor is generally made to provide

Variable capacitance
Fixed capacitance
Low capacitance
Large value of capacitance

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