A metallic shell has a point charge q kept inside its cavity. Which one of the following diagrams correctly represents the electric field lines?

Question

A metallic shell has a point charge q kept inside its cavity. Which one of the following diagrams correctly represents the electric field lines? (A)

(B)

(C)

(D)

Tardigrade Admin · Accepted Answer

Electric field is zero everywhere inside a metal (conductor) i.e., field lines do not enter a metal plus these are perpendicular to a metal surface.

Q. A metallic shell has a point charge q kept inside its cavity. Which one of the following diagrams correctly represents the electric field lines?