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Electrostatic and Capacitance

Electrostatic and Capacitance
The breakdown voltage for paper capacitors is usually

2000 to 3000 volts
20 to 60 volts
200 to 1600 volts
more than 10000 volts

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Electrostatic and Capacitance
The capacity of capacitor bank used in power factor correction is expressed in terms of

KVAR
KVA
KV
KW

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Electrostatic and Capacitance
Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is

1.5 x 1015 m/s2
1.6 x 1015 m/s2
0.56 x 1015 m/s2
1.76 x 1015 m/s2

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

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

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

2.42 µs
24 µs
48 µs
480 µs

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Electrostatic and Capacitance
Which of the following capacitors will have the least variation?

Silver plate mica capacitor
None of the listed here
Ceramic capacitor
Paper capacitor

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MORE MCQ ON Electrostatic and Capacitance

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