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Question

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



A
work is done on the charge
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B
work is done by the charge
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C
work on the charge is constant
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D
no work is done
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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 surface
Work done $$= 0$$

Physics

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