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Electrostatic and Capacitance

Electrostatic and Capacitance
Mica capacitors are characterised by all of the following except

accurate value
stable operation
low losses
low leakage reactance

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Electrostatic and Capacitance
Dielectric strength of medium

Increases with moisture content
Is same for all insulating materials
None of the listed here
Increases with rise in temperature

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Electrostatic and Capacitance
If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is

Charged
Lossy
Satisfactory
Short-circuited

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Electrostatic and Capacitance
A capacitor of 0.02 µF is larger than

200,000 pF
All of these
0.000020 F
2,000 pF

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Electrostatic and Capacitance
Capacitors are used for audio frequency and radio frequency coupling and tuning

Air
Paper
Ceramic
Mica

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Electrostatic and Capacitance
What is the capacitance when Q = 60 µC and V = 12 V?

12 µF
5 µF
50 µF
720 µF

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MORE MCQ ON Electrostatic and Capacitance

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