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Electrostatic and Capacitance

Electrostatic and Capacitance
Of the following capacitors, which one has the highest dielectric constant?

Air
Glass
Mica
Paper

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Electrostatic and Capacitance
To prevent the generation of static charges on rubber or flat leather

Surface is moistened
Conductive dressing is done
Oil compound dressing is done
Talcum powder is sprayed on the surface

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Electrostatic and Capacitance
Which capacitor will be physically smaller for the same ratings ?

Ceramic capacitor
Both will be of equal size
Paper capacitor
None of these

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Electrostatic and Capacitance
A capacitor consists of

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

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

Lossy
Charged
Short-circuited
Satisfactory

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Electrostatic and Capacitance
A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is

0.024 F
0.12 F
0.8 F
0.6 F

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MORE MCQ ON Electrostatic and Capacitance

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