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Electrostatic and Capacitance

Electrostatic and Capacitance
If three 15 uF capacitors are connected in series, the net capacitance is

20 uF
5 uF
15 uF
10 uF

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Electrostatic and Capacitance
Which of the following capacitor is preferred in case of single phase motor ?

Air
Paper
Mica
Electrolytic

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

48 µs
480 µs
2.42 µs
24 µs

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Electrostatic and Capacitance
Capacitors can be used only for D.C.

Mica
Paper
Air
Electrolytic

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Electrostatic and Capacitance
The ability of charged bodies to exert force on 6ne another is attributed to the existence of

electric field
protons
electrons
neutrons

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

0.002 µF
0.0000002 F
0.0002 µF
0.02 µF

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MORE MCQ ON Electrostatic and Capacitance

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