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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

30 N
60 N
40 N
120 N

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Electrostatic and Capacitance
XC is inversely proportional to frequency and capacitance.

1

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Electrostatic and Capacitance
For making a capacitor, it is better to select a dielectric having

Permittivity same as that of air
Permittivity slightly more than that of air
High permeability
Low permeability

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Electrostatic and Capacitance
A 12 kHz voltage is applied to a 0.33 µF capacitor, and 200 mA of rms current is measured. What is the value of the voltage?

8 V
800 V
80 V
0.88 V

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Electrostatic and Capacitance
capacitors are used in transistor circuits.

Paper
Air
Electrolytic
Ceramic

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Electrostatic and Capacitance
The units of volume charge density are

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

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MORE MCQ ON Electrostatic and Capacitance

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