At a particular point, electric field depends upon

Electric field due to a single charge is 

Electric dipole moment is

At a given distance from the centre of electic dipole, field intensity on axial line is k times the field intensity on equatorial line, where K =

Electrostatic potential V at a point, distant r from a charge q varies as

The correct relation between electric intensity E and electric potential V is 

1 G eV = x eV, where x is

A uniform electric field of 100 N/C exists in vertically upward direction. The decrease in electric potential as one goes up through a height of 20cm is

1 stat-Coulomb = ......... Coulomb

The cause of charging is actual transfer of protons

In which orientation, a dipole placed in a uniform field is in (i) stable (ii) unstable equilibrium?

How does a torque affect the dipole in an electric field?

How much is the dipole moment of non-polar molecule?

How much work is done in moving a 500\(\mu C\) charge between two points on an equipotential surface?

The middle point of a conductor is earthed and its ends are maintained at a potential difference of 220V. What is the potential at the two ends and at the middle point?

A hollow metal sphere of radius 5cm is charged such that potential on its surface is 10 V. What is the potential at the centre of the sphere?

How many picofarads are there in a farad?

Can we give as much charge to a capacitor as we wish?

Why is a space ship entering the ionosphere not sufficiently heated, though temperature at the top of ionosphere is nearly 700K?

In small drops o same size are charged to V volt each. They coalesce to form a bigger drop. Calculate the capacity and potential of the bigger drop.

A metal oil of negligible thickness is introduced between two plates of a capaitor at the centre. What will be the new capacitance of the capaitor?

What is the effect of temperature on dielectric constant?

The given figure shows tracks of three charged particles in a uniform electrostatic field. Give the signs of the three charges. Which particle has the highest charge to mass ratio?