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Electrostatic and Capacitance

Electrostatic and Capacitance
An electrolytic capacitor can be used for

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

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Electrostatic and Capacitance
What is the capacitance when Q = 60 µC and V = 12 V?

50 µF
5 µF
12 µF
720 µF

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Electrostatic and Capacitance
Dielectric strength of mica is

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

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

0.0000002 F
0.002 µF
0.02 µF
0.0002 µF

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Electrostatic and Capacitance
Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the

Voltage across the plates increases
Voltage across the plates decreases
Charge on the capacitor increases
Charge on the capacitor decreases

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Electrostatic and Capacitance
Four 0.15 µF capacitors are in parallel. The total capacitance is

0.8 µF
0.30 µF
0.6 µF
0.15 µF

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