ELECTROSTATIC AND CAPACITANCE QUIZ

A unit tube of flux is known as tube

Michale

Newton

Farady

None of the listed here

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When the voltage across a capacitor is tripled, the stored charge

Doubles

Stays the same

Triples

Is cut to one-third

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The units of volume charge density are

Coulomb/meter

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A region around a stationary electric charge has

None of the listed here

An electric field

Both Electric & Magnetic

A magnetic field

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What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ?

It will get punctured or cracked

Its molecular structure will get changed

It will become magnetic

It will melt

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

1.2 s

0.6 s

0.8 s

0.4 s

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The number of Faraday tubes of flux passing through a surface in an electric field is called

Electric flux

Magnetic flux density

Electric intensity

Electric flux density

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Capacitance increases with

Reduction in plate area and distance between the plates

Increase in plate area and distance between the plates

Decrease in plate area and value of applied voltage

Increase in plate area and decrease in distance between the plates

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Electric field intensity is a quantity

Vector quantity

Both Vector & Scalar quantity

None of the listed here

Scalar quantity

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at a point may be defined as equal to the lines of force passing normally through a unit cross section at that point.

Electric intensity

None of these

Electric flux

Magnetic flux density

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