Four identical point charges q are placed at four corners of a square of side a. Find the potential energy of the charge system.
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Four identical charges q are placed at the corners of a square of side a. Find the potential energy of one of the charges due to the remaining charges. .

Six equal point charges q each are placed at six corners of a hexago of side a. Find out potential energy of charge system

Four small point charges (each of equal magnitude q) are placed at four corners of a regular tetrahedron of side a. find out potential energy of charge system

Four point charges are placed at the corners of a square of side l. Calculate potential at the centre of square.

Eight point charges , each q , are placed on the vertices of a cube of side a . Find the potential energy of the system of charges.

Eight equal point charges each of charge 'q' and mass 'm' are placed at eight corners of a cube of side 'a'. (i) Find out potential energy of charge system.

A point charge Q is placed at the corner of a square of side a. Find the flux through the square.

A charge 'Q' is placed at each corner of a cube of side 'a'. The potential at the centre of the cube is

If identical charges (-q) are placed at each corner of a cube of side b , then electric potential energy of charge (+q) which is palced at centre of the cube will be