How is the work done by an external torque in rotating a dipole from angle θ₁ to θ₂ calculated? - ELECTROSTATICS Quiz | GKFix.in

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Question

How is the work done by an external torque in rotating a dipole from angle θ₁ to θ₂ calculated?

A. W = pE(sinθ₁ – sinθ₂)
B. W = pE(cosθ₁ – cosθ₂)
C. W = pE(tanθ₁ – tanθ₂)
D. W = pE(θ₂ – θ₁)