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Electrostatic and Capacitance

Electrostatic and Capacitance
Dielectric strength ______ with increasing thickness

remains unaltered
increases
decreases
None of these

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Electrostatic and Capacitance
If a 6 uF capacitor is charged to 200 V, the charge in coulombs will be

1600
800
400
1200

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Electrostatic and Capacitance
The capacitance C is charged through a resistance R. The time constant of the charging circuit is given by

C/R
RC
R/C
1/RC

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Electrostatic and Capacitance
The dielectric constant is the ability of a material to establish an electric field.

1

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Electrostatic and Capacitance
The breakdown voltage for paper capacitors is usually

200 to 1600 volts
20 to 60 volts
more than 10000 volts
2000 to 3000 volts

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Electrostatic and Capacitance
is that property of a capacitor which delays any change of voltage across it.

Capacitance
Potential gradient
Inductance
None of these

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