Four equal charges `+q` are placed at four corners square with its centre at origin and lying in yz plane. The electrostatic potential energy of a fifth charge varies on x-axis as :

Four equal charges +q placed at four corners of a square with its centre at orign and lying in yz plane. The electrostatic potential energy of varies on x-axis as-

Four equal charges of magnitudes q each are placed at four corners of a square with its centre at origin and lying in y-z plane. Aa fifth charge +Q is moved along x-axis. The electrostatic potential energy (U) varies on x-axis as

Four equal charges of magnitudes q each are placed at four corners of a square with its centre at origin and lying in y-z plane. Aa fifth charge +Q is moved along x-axis. The electrostatic potential energy (U) varies on x-axis as

Four equal charges of magnitudes q each are placed at four corners of a square with its centre at origin and lying in y-z plane. Aa fifth charge +Q is moved along x-axis. The electrostatic potential energy (U) varies on x-axis as

Four point charges of +1muc each are placed on the four corners of a square of side 1 m. Calculate the electric potential at the centre of the square.

Four identical charges are placed at the four vertices of a square lying in YZ plane. A fifth charge is moved along X axis. The variation of potential energy (U) along X axis is correctly represented by