There is an infinite straight chain of alternating charges q and -q. The distance between the two neighbouring charges is equal to a. Find the interaction energy of any charge with all the other charges.

There is an infinite straight chain of alternating charges q and -q . The distance between the neighbouring charges is equal to a . Find the interaction energy of each charge with all the others. Instruction . Make use of the expansion of In (1 + alpha) in a power series in alpha .

There is an infinite straight chain of alternating charges q and -q . The distance between teh neighbouring charges is equal to a . Find the interaction energy of each charge with all the others. Instruction . Make use of the expansion of In (1 + alpha) in a power series in alpha .

A point charge q is located at a distance l from an infinite tonducting plane. Find the interaction energy of that charge with chose induced on the plane.

A charge is divided into two charges q and (Q-q) .The value of q so that force between them is maximum is equal to

A charge Q is divided into two charge q and Q-q. The value of q such that the force between them is maximum is

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 8q are to be placed on a 0.09m long straight line. Find the positions of the charges so that the potential energy of this system becomes minimum. In this situation, find the intensity at the position of the charge q due to the other two charges?