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.

(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 mu C are separated by a distance of 1m in air. Calculate at what point on the line joining the two charges is the electric potential zero ?

Two positive point charges q_1=16muC and q_2=4muC are separated in vacuum by a distance of 3.0m . Find the point on the line between the charges where the net electric field is zero.-

Two point masses having mass m and 2m are placed at distance d . The point on the line joining point masses , where gravitational field intensity is zero will be at distance

Two point charges q_(1) = +2 C and q_(2) = - 1C are separated by a distance d . The position on the line joining the two charges where a third charge q = + 1 C will be in equilibrium is at a distance

Two point charges of +16 muC and -9 mu C are placed 8 cm apart in air. Determine the position of the point at which the resultant electric field is zero.