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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A Point charge is surrounded symmeterically by six identical charges at distance r as shown in the figure. How much work is done by the forces of electrostatic replusion when the point charge q at the center is removed at infinity ?

A Point charge is surrounded symmeterically by six identical charges at distance r as shown in the figure. How much work is done by the forces of electrostatic replusion when the point charge q at the center is removed at infinity ?

A charge -q and another chage +q are kept at two points A and B respec tively. keeping the charge +Q fixed at B the charge -q at A is moved to another point C such that ABC forms an equilateral triangle of side l. The net work done in moving the charge -q is