Q. A metallic shell has a point charge q kept inside its cavity. Which one of the following diagrams correctly represents the electric lines or forces?
A) [image:1_image179.jpeg]
B) [image:1_image180.jpeg]
C) [image:1_image181.jpeg]
D) [image:1_image182.jpeg]
Explanation
(c) Electric field is zero everywhere inside a metal (conductor) $i.e$., field lines do not enter a 3 metal plus these are perpendicular to a metal surface (equipotential surface).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.