Question

Torque on a dipole in a uniform electric field​

Answer 1

τ = (q E sinθ) d = q d E sinθ

τ = (q E sinθ) d = q d E sinθSince 'qd' is the magnitude of dipole moment (p), and the direction of dipole moment is from positive to negative charge; torque is the cross product of dipole moment and electric field.