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Electrostatic and Capacitance

Electrostatic and Capacitance
A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is

0.12 F
0.8 F
0.024 F
0.6 F

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Electrostatic and Capacitance
A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is

62 x 105 V/m
72 x 105 V/m
92 x 105 V/m
82 x 105 V/m

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Electrostatic and Capacitance
Mica capacitors are characterised by all of the following except

accurate value
low losses
low leakage reactance
stable operation

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Electrostatic and Capacitance
An electrolytic capacitor can be used for

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

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Electrostatic and Capacitance
A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is

2.42 µs
480 µs
24 µs
48 µs

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Electrostatic and Capacitance
This mention statement is associated with "The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface".

Gauss's law
Kirchhoff's law
Lenz's law
Faraday's law

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