four charges q,-q,q,-q are placed in order on the four consecutive cor – InterviewSolution

1.	four charges q,-q,q,-q are placed in order on the four consecutive corners of a square of side L. The work done in interchanging the position of any two neighbouring charges of the opposite sign is
Answer» four charges q,-q,q,-q are placed in order on the four consecutive corners of a square of side L. The work done in interchanging the position of any two neighbouring charges of the opposite sign is

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