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Electrostatic and Capacitance

Electrostatic and Capacitance
An electrolytic capacitor is generally made to provide

Large value of capacitance
Low capacitance
Fixed capacitance
Variable capacitance

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Electrostatic and Capacitance
A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?

352 ms
70.5 ms
3.5 ms
35 ms

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Electrostatic and Capacitance
"The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed".The above statement is associated with

Maxwell’s second law
Gauss’s law
Maxwell’s first law
Coulomb’s square law

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Electrostatic and Capacitance
Electric field intensity is a quantity

Both Vector & Scalar quantity
Scalar quantity
Vector quantity
None of the listed here

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Electrostatic and Capacitance
Dielectric strength of medium

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

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Electrostatic and Capacitance
A capacitor consists of

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

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