A charge of `20 muC` produces an electric field. Two points are 10 cm and 5 cm from this charge. Find the values of potentials at these points and calculate work done to take an electron from one point to the other.

A charge of 20muC produces an electric field. Two points are 10 cm and 5 cm from this charge. Find the vlaue of potentials at these points and also find the amount of work doe to take an electron from one point to the other.

A point charge q produces an electric field of magnitude 2.0 NC^(-1) at a point distant 50 cm from it. From the value of q.

The electric field at a point due to a point charge is 20NC^-1 and the electric potential at the point is 10JC^-1 Calculate the distance of the point from the charge and the magnitude of the charge.

Two point charges of 5muC and 15 muC are placed in air 20cm apart. Find the electric potential at the middle point of the line joining the two charges.

The electric intensity at a point at 10 cm from point charge is 5N//C .The potential atsame point will be

The electric field at a point due to a point charge is 20 NC^(-1) and electric potential at that point is 10 JC^(-1) . Calculate the distance of the point from the charge and the magnitude of the charge.

There exists a potential difference of 5V between two points in an electric field. Work done in moving a charge of 7C from one point to the other is

There exists a potential difference of 5 V between two points in an electric field. Work done in moving a charge Of 7 C from one point to the other is [