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 isA. `-2 pE`B. `-pE`C. `pE`D. `2pE`

A molecule with a dipole moment `p` is placed in an electric field of

1.	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 isA. `-2 pE`B. `-pE`C. `pE`D. `2pE`
Answer» Correct Answer - D

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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 isA. `-2 pE`B. `-pE`C. `pE`D. `2pE`

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