Question

What is the amount of work done in moving 50c charge between two points 5cm apart on an 5cm apart on an equal potential surface?

Answer 1

An equipotential surface is one in which all the points are at the same electric potential. If a charge is to be moved between any two points (say from point A to point B) on an equipotential surface, according to the formula dW=q⋅dVdW=q⋅dV, the work done becomes zero.
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