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This is an MCQ-based quiz on Electrostatics.
This includes Gauss’s law, Kirchhoff’s law, Faraday’s law, and Lenz’s law.
Which of the following capacitors will have the least variation?
While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is
A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance?
The total deficiency or excess of electrons in a body is known as
In a cable capacitor, voltage gradient is maximum at the surface of the
For which of the following parameter variation, the capacitance of the capacitor remains unaffected?
In a capacitive circuit
The capacitor preferred for high frequency circuits is
Which of the following capacitors is marked for polarity?
At a point may be defined as equal to the lines of force passing normally through a unit cross section at that point.
The sparking between two electrical contacts can be reduced by inserting a
The capacity of capacitor bank used in power factor correction is expressed in terms of
The potential gradient across the material of low permittivity is than across the material of high permittivity.
At a point is equal to the negative potential gradient at that point.
What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it?
The capacitance of a capacitor is not affected by
The direction of electric field due +0 positive charge is.
Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant?
Dielectric strength of a medium is usually expressed in
A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is
