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Physics

Electrostatics

Easy

Question

In the electric field of a point charge q, a certain point charge is carried from point A to B, C, D and E as shown in figure. The work done is

least along the path AE
least along the path AC
zero along any of the paths
least along AB

The correct answer is: zero along any of the paths

. For charge q placed at the centre of circle, the circular path is an equipotential surface and hence work done along all paths AB or AC or AD or AE is zero

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