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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

3 V
0 V
6 V
4 V

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Electrostatic and Capacitance
Acharge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 10 N, is known as

pico-coulomb
milli-coulomb
coulomb
micro-coulomb

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Electrostatic and Capacitance
A positive and a negative charge are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

5 times smaller than before
5 times greater than before
10 times greater than before
25 times larger than before

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Electrostatic and Capacitance
Dielectric strength of medium

Increases with rise in temperature
Is same for all insulating materials
None of the listed here
Increases with moisture content

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Electrostatic and Capacitance
In the case of a lossy capacitor, its series equivalent resistance value will be

large
small
zero
very small

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Electrostatic and Capacitance
The total deficiency or excess of electrons in a body is known as

Potential gradient
Charge
Current
Voltage

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