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Electrostatic and Capacitance

Electrostatic and Capacitance
Dielectric strength of a material depends on

thickness
all of the listed here
moisture content
temperature

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Electrostatic and Capacitance
A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is

0.4 s
1.2 s
0.8 s
0.6 s

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Electrostatic and Capacitance
A 12 kHz voltage is applied to a 0.33 µF capacitor, and 200 mA of rms current is measured. What is the value of the voltage?

0.88 V
800 V
80 V
8 V

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Electrostatic and Capacitance
Which of the following material has least value of dielectric constant ?

Mica
Oil
Paper
Ceramic

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Electrostatic and Capacitance
A 0.01 µF capacitor equals how many picofarads?

100 pF
1,000 pF
100,000 pF
10,000 pF

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

Air
Paper
Electrolytic
Mica

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MORE MCQ ON Electrostatic and Capacitance

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