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What is the work done in moving a test ...

What is the work done in moving a test charge q through a distance of 1 cm along the equatorial axis of an electric dipole ?

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Since, potential for equipotential surface
`V=0`
Work done in moving a positive test charge q through a distance 1 cm is
`W=qV=qxx0=0`
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XII BOARDS PREVIOUS YEAR-XII BOARDS-SET-II
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