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Electrostatic and Capacitance

Electrostatic and Capacitance
The force between two charges is 120 N. If the distance between the charges is doubled, the force will be

120 N
30 N
40 N
60 N

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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
4 V
6 V
0 V

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Electrostatic and Capacitance
Capacitors are mainly used for radio frequency tuning.

Electrolytic
Mica
Air
Paper

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Electrostatic and Capacitance
A 2 µF, a 4 µF, and a 10 µF capacitor are connected in series. The total capacitance is less than

1.5 µF
10 µF
2 µF
4 µF

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Electrostatic and Capacitance
1 volt/meter is same as

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

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Electrostatic and Capacitance
The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be

1600 N/C
2000 N/C
800 N/C
1200 N/C

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