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Electrostatic and Capacitance

Electrostatic and Capacitance
Acharge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 10 N, is known as

pico-coulomb
coulomb
milli-coulomb
micro-coulomb

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Electrostatic and Capacitance
Electric intensity at any point in an electric field is equal to the at that point.

None of these
potential gradient
magnetic flux density
electric flux

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Electrostatic and Capacitance
Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ?

100 times
300 times
150 times
50 times

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Electrostatic and Capacitance
The ability of charged bodies to exert force on 6ne another is attributed to the existence of

protons
electrons
neutrons
electric field

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Electrostatic and Capacitance
A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current

Increases
Decreases
Remains constant
Ceases

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

None of these
Electric intensity
Magnetic flux density
Electric flux

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