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Electrostatic and Capacitance

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

0.30 µF
0.8 µF
0.6 µF
0.15 µF

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Electrostatic and Capacitance
Air capacitors are generally available in the range

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

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Electrostatic and Capacitance
A capacitor consists of

two conductors separated by an insulator
two insulators separated by a conductor
two conductors only
two insulators only

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Electrostatic and Capacitance
Which of the following capacitors preferred for high frequency circuits ?

Electrolytic capacitor
Mica capacitor
Air capacitor
None of these

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Electrostatic and Capacitance
The absolute permittivity of free space is given by

8.854 x 1(T10 F/m)
8.854 x 1(T9 F/m)
8.854 x 10?12 F/m
8.854 x KT11 F/m

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Electrostatic and Capacitance
In a cable capacitor, voltage gradient is maximum at the surface of the

Sheath
Insulator
Earth
Conduction

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MORE MCQ ON Electrostatic and Capacitance

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