Electrostatics MCQ Questions & Answers | Electrical Engineering

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1.
For making a capacitor, it is better to select a dielectric having

A. low permittivity

B. high permittivity

C. permittivity same as that of air

D. permittivity slightly more than that of air

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2.
The power dissipated in a pure capacitor is

A. zero

B. proportional to applied voltage

C. proportional to value of capacitance

D. both (B) and (C) above

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3.
When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will

A. remain uncharged

B. decrease

C. increase

D. become zero

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4.
Which of the following capacitors will have the least value of breakdown voltage ?

A. Mica

B. Paper

C. Ceramic

D. Electrolytic

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5.
A capacitor charged to 200 V has 2000 (iC of charge. The value of capacitance will be

A. 10 F

B. 10 uF

C. 100 nF

D. 1000 uF

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Electrostatics - Section 2