JEE Mains Model Paper 21

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Question : 6 of 90

Marks: +1, -0

The potential energy of an electric dipole in a uniform electric field is u. The magnitude of the torque acting on the dipole due to the field is N. Then

u is minimum and N is zero when the dipole is parallel to the field.
u is zero and N is zero when the dipole is perpendicular to the field.
u is minimum and N is maximum when the dipole is perpendicular to the field.
u is minimum and N is zero when the dipole is anti-parallel to the field.

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