1.

An electric dipole of dipole moment vecp is placed in a uniform external electric field vecE. Then the

Answer»

torque experienced by the dipole is `vecE XX vecp`
torque is zero if `vecp` is perpendicular to `vecE`
torque is maximum if `vecp` is perpendicular to `vecE`
POTENTIAL energy is maximumn if `vecP` is parallel to `vecE`

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