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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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