When the dipole moment of a dipole ina uniform electric field rotates to become

Question

When the dipole moment of a dipole ina uniform electric field rotates to become more nearly aligned withthe field:

please explain..

When the dipole moment of a dipole in a uniform electric field rotates to become more nearly aligned with the field: A. the field does negative work and the potential energy decreases. B. the field does negative work and the potential energy increases. C. the field does positive work and the potential energy decreases. D. the field does positive work and the potential energy increases. E. the field does no work

Explanation / Answer

When a dipole is placed in an electric field it try to align this dipole along the filed

As here also it tried to align the dipole along the field it means work done is positive

and this work done is because of the stored potential energy so potential energy will decrease as it is coming towards its equilibrium position

Hence work done is positive and potential energy decrease

Option C is correct

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