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Electrostatic and Capacitance

Electrostatic and Capacitance
A 0.01 µF capacitor equals how many picofarads?

100,000 pF
10,000 pF
1,000 pF
100 pF

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Electrostatic and Capacitance
An electrolytic capacitor can be used for

Both DC and AC
DC only
AC only
None of the listed here

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Electrostatic and Capacitance
Capacitors can be used only for D.C.

Mica
Air
Electrolytic
Paper

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Electrostatic and Capacitance
A 0.47 µF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is

17 Ω
170 Ω
0.000169 Ω
1.7 Ω

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Electrostatic and Capacitance
Which medium has the least dielectric strength ?

Air
Paraffin wax
Glass
Water

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

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