The net electric force on a charge of `+3 muC` at the mid-point on the line joining two charges of magnitude `+2 muC` and `+2 muC` separated by the distance of 6 mm, is

Calculate the work required to bring a unit positive charge from infinity to a mid-point between two charges 20muC" and " 10muC separated by a distance of 50 m.

Two point charges of +3 muC each are 100 cm apart. At what point on the line joining the charges will the electric intensity be zero ?

Two tiny spheres carrying charges 1.5 muC and 2.5 muC are located 30 cm apart. Find the potential (a) at the mid-point of the line joining the two charges and (b). At a point 10 cm from this mid-point in a plane normal to the line and passing through the mid-point.

The distance between the two charges 25 mu C and 36 muC is 11 cm . At what point on the line joining the two, the intensity will be zero

find the electric field strength due to a point charge of 5 muC at a distance of 80 cm from the charge.

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.

The force of attractions between two charges 8muC and -4muC is 0.2 N. Find the distance of separation.

(a). Determine the potential energy of a system containing two charges 7muC and -2muC separated by a distance 18 cm. (b) How much work is needed to separate the two charges infinitely away from each other?