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Electrostatic and Capacitance

Electrostatic and Capacitance
The capacitor preferred for high frequency circuits is

Paper
Air
Mica
None of the listed here

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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
The units of capacitance are

Coulomb/volt
Hennry
Hennry/wb
Volt/coulomb

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Electrostatic and Capacitance
The direction of electric field due +0 positive charge is .

towards the charge
both (A) and (B)
None of these
away from the charge

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Electrostatic and Capacitance
The inverse of capacitance is called

susceptance
reluctance
elastance
conductance

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Electrostatic and Capacitance
A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is

0.024 F
0.6 F
0.8 F
0.12 F

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