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Electrostatic and Capacitance

Electrostatic and Capacitance
The dielectric constant is the ability of a material to establish an electric field.

1

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Electrostatic and Capacitance
A 10 µF, 20 µF, 22 µF, and 100 µF capacitor are in parallel. The total capacitance is

152 µF
4.86 µF
2.43 µF
100 µF

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Electrostatic and Capacitance
Air capacitors are generally available in the range

10 to 400 pF
200 to 300 pF
1 to 20 pF
100 to 500 pF

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Electrostatic and Capacitance
Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them

two in series and third in parallel across this combination
all in parallel
two in parallel and third in series with this combination
all in series

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Electrostatic and Capacitance
The number of Faraday tubes of flux passing through a surface in an electric field is called

Electric intensity
Electric flux density
Magnetic flux density
Electric flux

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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

150 joules
50 joules
250 joules
200 joules

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