Choose the wrong statement $$a)$$ work done in moving a charge on equipotential surface is $$zerob)$$ electric lines of force are always normal to equipotential $$surfacec)$$ when two opposite charges are brought nearer, then electrostatic potential energy of the system $$increasesd)$$ electric lines of force diverge at positive charge and converge towards negative charge

Question

Choose the wrong statement    $$a)$$ work done in moving a charge on equipotential surface is $$zerob)$$ electric lines of force are always normal to equipotential $$surfacec)$$ when two opposite charges are brought nearer, then electrostatic potential energy  of the system $$increasesd)$$ electric lines of force diverge at positive charge and converge towards negative charge

Infinity Learn · Accepted Answer

U $$=$$ −$$q1q2kr$$              As r decreases U decreases

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