Question

derive an expression for total work done in rotating an electric dipole through an angle theta in uniform electric field ​

Answer 1

Here is your answer: First of all Torque=r x Force, here force is simply qE(since this E is uniform). Torque=rqE sin(theta), now this rq is nothing but the dipole moment p. Work done by the torque is given by Integration[Torque

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