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A molecule with a dipole moment p is pla...

A molecule with a dipole moment p is placed in an electric field of strength E. Initially the dipole is aligned parallel to the field. If the dipole is to be rotated to be anti parallel to the field the work required to be done by an external agency is :

A

`-2pE`

B

`-pE`

C

pE

D

2pE

Text Solution

Verified by Experts

The correct Answer is:
D
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