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Electrostatic and Capacitance

Electrostatic and Capacitance
A field line and an equipotential surface are

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

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Electrostatic and Capacitance
Capacitors are mainly used for radio frequency tuning.

Air
Electrolytic
Mica
Paper

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Electrostatic and Capacitance
Dielectric strength of mica is

300 to 500 kV/mm
10 to 20 kV/mm
50 to 200 kV/mm
30 to 50 kV/mm

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Electrostatic and Capacitance
An electrolytic capacitor can be used for

None of the listed here
AC & DC both
DC only
AC only

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Electrostatic and Capacitance
Two 0.68 µF capacitors are connected in series across a 10 kHz sine wave signal source. The total capacitive reactance is

23.41 Ω
11.70 Ω
46.8 Ω
4.68 Ω

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Electrostatic and Capacitance
If a 6 uF capacitor is charged to 200 V, the charge in coulombs will be

1600
1200
400
800

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MORE MCQ ON Electrostatic and Capacitance

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