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Electrostatic and Capacitance

Electrostatic and Capacitance
A capacitor of 2,000 pF is greater than

0.0002 µF
0.02 µF
0.0000002 F
0.002 µF

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Electrostatic and Capacitance
A field line and an equipotential surface are

inclined at any angle 0
always parallel
always at 90°
None of these

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Electrostatic and Capacitance
The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be

36 x 108 N
36 x 10 fa
36 x 109 N
36 x 107 N

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Electrostatic and Capacitance
The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value

45
54
37
42

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Electrostatic and Capacitance
Which of the following capacitors will have the least value of breakdown voltage ?

Air
Mica
Electrolytic
Paper

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Electrostatic and Capacitance
When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will

Remains same
Increase
None of the listed here
Decrease

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