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 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

Four equal charges Q are placed at the four corners of a square of each side is 'a'. Work done in removing a charge -Q from its centre to infinity is

Four equal charges Q are placed at the four corners of a square of each side is 'a'. Work done in removing a charge -Q from its centre to infinity is

Four point charges are placed at the four corners of a square in the two ways as shown in the fig. electric potential at the centre of the square be the same or difference in the two configurations and why?