three point charge `-q,q` and Q are arranged as given in figure. If d is distance from centre of `-q` and `+q` to Q and `dgtgtgta` then the potential energy of given system is

Three charges +q, +q, +2q are arranged as shown in figure. What is the field at point P (center of side AC)

Three charges -q,+2q, and -q are arranged on a line as shown in fig. Calculate the field at a distance rgtgta on the line.

Three charges -q,+2q, and -q are arranged on a line as shown in fig. Calculate the field at a distance rgtgta on the line.

What is the potential energy of a charge q in a given filed?

There are four point charges +q, -q, +q and -q are placed at the corners A, B, C and D respectively of a square of side a . The potential energy of the system is (1)/(4pi epsilon_(0)) times

Two equal charges q are placed at a distance of 2a and a third charge -2q is placed at the midpoint. The potential energy of the system is

Three point charges q, 2q and- 4q are in air at three points so-that the distance between any two charges is 10 cm. Calculate total potential energy of the system if q = 3xx10^2 esu.

Three charges +q , +q, and Q are placed at the comers of a right angled isosceles triangle as shown in the figure. If the net potential energy of the system is zero then value of Q is