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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 1 - Electrostatics > 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 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