(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?

Find out potential energy of the two point charge system having charges q_(1) and q_(2) separated by distance r.

(a) Determine the electrostatic potential energy of a system consisting of two charge 7 muC and -2 muC (and with no external filed) placed at (-9 cm, 0,0) and (9 cm, 0,0) respectively. (b) How much work is required to separate the two charges infinitely away from each other ? (c) Suppose that the same system of charges is now placed in an external electric field E = A xx 1//r^(2) , where A = 9xx10^(5) C m^(-2) . What would the electrostatic energy of the configuration be ?

What is the potential energy of two equal negative point charges 2 muC each held 1m apart in air ?

Potential energy of two equal negative point charges 2muC each held 1 m apart in air is

A system consists of two charges 4 mu C and -3 muC with no external field placed at (-5 cm, 0,0) and (0 cm, 0,0) respectively. The amount of work required to separated the two charges infinitely away from each other is

There are two charges +1 muC and +5muC , separated by a distance of 0.2 m in air, the ratio of forces acting in them will be:

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.