Class 12 Physics Chapter 2 Online Test – Electrostatic Potential and Capacitance

The dielectric constant of water is-

Electric potential at the centre of a charged hollow metal sphere is

The value of electric field inside a charge is spherical conductor is

When a medium of dielectric constant k fills the gap between the plates of a capacitor its capacitance compared to air filled state-

The capacitance of a spherical capacitor is directly proportional to its

Three condenser of equal capacity C are connected first in parallel and then in series .the ratio of equivalent capacity in both conditions is-

When a body becomes negatively charged , its mass

The electric dipole moment per unit volume of a dielectric medium is called

The capacity of any conductor is

Dielectric constant for vacuum is

Eight drops each of radius r and charge q of are merged to form a single drop . the ratio of the potential of big dropped to a small drop is

Potential gradient is equal to

In a region of constant potential

If a dielectric slab is introduced in between the two plates of capacitor then its capacitance

Two capacitor each of capacity C are connected in parallel .The equivalent capacity is

If the distance between the two charges is increased then the electrostatic potential energy of the charges

A point charge q is rotated around another point charge Q in a circular path work done by electric field on it will be

If an earthed conductor is brought near an insulated conductor then the capacity of insulated conductor?

The net charge on a charged capacitor is

A dielectric constant 6 is to be filled in the gap between plates of a parallel plate capacitor. what is the factor by which the gap should be changed to maintain the same capacitance?

The loss of energy taking place due to sharing of charge between two conductors depends upon

The work done by electric field on a charged taken from one point to another of an equipotential surface will be

Sum of charges on collecting and conducting plate of a charged capacitor is-

Electric potential of earth is taken to be zero because the earth is good

The electric potential due to electric dipole at the point lies on the bisector of its axis is-

If a dielectric is placed between two plates of a parallel plate capacitor, the value of capacitance-

Which are the following value of n is not possible in relation Q= ne?

Linear charge density is equal to

The capacitance of a parallel plate capacitor by the introduction of a dielectric between the plates of the capacitor.

Three condenser each of capacity C are connected in the series then there equivalent capacity will be

If a proton is brought near another proten then its potential energy-

The value of electric potential at a distance r from a point charge is

The dielectric constant of water is

Van de graff generator is used for producing

When I show bubble is charged its radius will

An electron of charged e coulomb passes through a potential difference of V volt its energy in joule will be

The electric potential inside the charged the hollow sphere is-