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Electrostatic and Capacitance

Electrostatic and Capacitance
The units of volume charge density are

Coulomb/meter
Coulomb/meter
Coulomb/meter
Coulomb/meter

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

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

60 N
30 N
120 N
40 N

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Electrostatic and Capacitance
Air capacitors are generally available in the range

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

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Electrostatic and Capacitance
One volt is the same as

one coulomb
one joule
one joule/coulomb
one coulomb/joule

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Electrostatic and Capacitance
Which is the most superior dielectric out of the following ?

Paper
Air
Glass
Bakelite

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MORE MCQ ON Electrostatic and Capacitance

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