Question

A dipole of moment Vector p is placed in a uniform electric field Vector E. The force on the dipole is Vector F and the torque is Vector τ.

(a) Vector F = 0

(b) Vector F = |Vector p| Vector E

(c) |Vector τ| = Vector p. Vector E

(d) Vector τ = Vector p x Vector E

Answer 1

Correct Answer is: (a) Vector F = 0, (d) Vector τ = Vector p x Vector E