Two point charges of `5 mu C` and `20 mu C` are separated by a distance of 2m. Find the point on the line joining them at which electric field intensity is zero.

Two point charges of 5muC and 20muC are separated by a distance of 2 m. Find the point on the line joining them at which electric field intensity is zero.

Two point charges of +5xx10^-19C and +20 xx 10^-19 C are separated by a distance 2m. Find the point on the line joining them at which electric field intensity is zero.

Two point charges of +3 *10^-19C and +2 * 10^-19 C are separated by a distance of 2.5m. Find the point on the line joining them at which electric intensity is zero.

Two point charges of +5 xx 10^(-19)C and +20 xx 10^(-19)C are separated by a distance of 2m. Find the point on the line joining them at which electric field is zero. (Find the position of null point)

Answer the following: (a) Derive the expression for the electric potential at any point P, at distance r from the centre of an electric dipole, making angle alpha , with its axis. (b) Two point charges 4 mu C and + 1 mu C are separated by a distance of 2m in air. Find the point on the line joining charges at which the net electric field of the system is zero.

(a) Derive the expression for the electric potential at any point P, at distance r from the centre of an electric dipole, making angle alpha , with its axis. (b) Two point charges 4 mu C and + 1 mu C are separated by a distance of 2m in air. Find the point on the line joining charges at which the net electric field of the system is zero.

The two point charges 4muC and 1muC are separated by a distance of 2 m in air. Find the point on the line joining the charges at which net electric field of the system is Zero.

Two point charges 4 mu C and -2 muC are separated by a distance of 1 m in air. At what point on the line joining the charge is electric potential zero?

Two point charges 4Q and Q are separated by a distance of 1 m in air. At what point on the line joining the two charges is the electric field intensity zero?