Question

An electric dipole is placed in an electric field generated by a point charge.
(a) The net electric force on the dipole must be zero.
(b) The net electric force on the dipole may be zero.
(c) The torque on the dipole due to the field must be zero.
(d) The torque on the dipole due to the field may be zero.

Answer 1

Explanation:

I think (a) is the answer but the answer may be incorrect

Answer 2

(d) is correct .

Explanation:

Torque acts on a dipole inside an electrical field,

$\tau=r \times F$

$\tau=r F \sin \theta$

Τ is torque

F is force

where the difference is the angle in b/w the force F and the couple's arm. So $\theta=0$ or pi, the torque is going to be zero. Hence, The torque that works on the dipole component on the dipole's Directive in the Electrical field is given.