Question

(a) an electric dipole is kept first to the left and then to the right of a negatively charged infinite plane sheet having a uniform surface charge density. The arrows p1 and p2 show the directions of its electric dipole moment in the two cases. Identify for each case, whether the dipole is in stable or unstable equilibrium. Justify each answer

Answer 1

an electric dipole is kept first to the left and then to the right of a negatively charged infinite plane sheet having a uniform surface charge density. The arrows p1 and p2 show the directions of its electric dipole moment in the two cases. Identify for each case, whether the dipole is in stable or unstable equilibrium.

Answer 2

Answer:

Explanation:

When electric dipole is kept first to the left of the negatively charged infinite plane sheet having uniform surface charge density .in case of p1 the electric dipole will make 180°angle with electric field hence in the stable equilibrium, but

In case p2 where the electric dipole placed to the right side of the negatively charged infinite plane sheet ,then the electric dipole will make 0°angle with the electric field hence unstable.