NEET PhysicsClass 12Potential energy in an external fieldHardSingle correct

An electric dipole of moment 4.0 × 10⁻⁹ C m is in stable equilibrium in a uniform field of 2.0 × 10⁵ N C⁻¹. How much work must an external agent do to rotate it slowly until its moment makes 120° with the field?

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An electric dipole of moment 4.0 × 10⁻⁹ C m is in stable equilibrium in a uniform field of 2.0 × 10⁵ N C⁻¹. How much work must an external agent do to rotate it slowly until its moment makes 120° with the field?

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