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A positive charge is fixed at the origin...

A positive charge is fixed at the origin of coordinates. An electri dipole which is free to move and rotate is placed on the positive `x`-axis. Its moment is directed away from the origin. The dipole will

A

move towards the origin

B

move away from the origin

C

rotate by `pi//2`

D

rotate by `pi`

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The correct Answer is:
A
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