Question

# If a unit charge is taken from one point to another over an equipotential surface, then

A
work is done on the charge
B
work is done by the charge
C
work on the charge is constant
D
no work is done

Solution

## The correct option is D no work is done$$\to$$ We know equipotential surface has constant potential and they are perpendicular to electric field.We know work done $$= \Delta V\times Q$$As there is no change in $$V$$ while moving on equipotential surfaceWork done $$= 0$$Physics

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