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Electrostatic and Capacitance

Electrostatic and Capacitance
A 0.00022 F capacitor equals how many micro-farads?

2,200 µF
220 µF
22 µF
22,200 µF

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Electrostatic and Capacitance
An electrolytic capacitor is generally made to provide

Variable capacitance
Low capacitance
Large value of capacitance
Fixed capacitance

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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

0.000169 Ω
17 Ω
1.7 Ω
170 Ω

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Electrostatic and Capacitance
Dielectric strength of mica is

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

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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".

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

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Electrostatic and Capacitance
A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is

50 joules
200 joules
150 joules
250 joules

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