Question

An electric dipole consisting of charges +q and - q separated by adistance L is in stable equilibrium in a uniform electric field E. Theelectrostatic potential energy of the dipole is(A) QLE(B) zero(C) - QLE(D) - 2 qEL​

Answer 1

Answer:

Explanation:

(c)-QLE

dipole moment of the system will be(P)=q*L

potential energy of the dipole =-PE(cosθ)

here dipole is in equilibrium so value of θ will be 0°

hence on solving you will get -qLE