Q 12-01-019NEETJEE MainMedium
An electric dipole of moment $p$ is placed in a uniform electric field $E$ with its axis at $30°$ to the field. The torque on it is
Answer: (C) $\dfrac{pE}{2}$
$\tau = pE\sin 30° = \dfrac{pE}{2}$. (The net force is zero in a uniform field.)
Solution by Sreeraj P, M.Sc Physics