In which orientation, a dipole placed in a uniform electric fields is in (i) stable, (ii) unstable equilibrium?
In which orientation, a dipole placed in a uniform electric fields is in (i) stable, (ii) unstable equilibrium?
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(i) In stable equilibrium the dipole moment is parallel to the direction of electric field (i.e., θ = 0).
(ii) In unstable equilibrium P.E. is maximum, so θ = π so dipole moment is antiparallel to electric field.
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