Electrostatics 4 Question 10
10. A metallic shell has a point charge $q$ kept inside its cavity. Which one of the following diagrams correctly represents the electric lines of forces?
$(2003,1 \mathrm{M})$
(a)
(b)
(c)
(d)
Show Answer
Answer:
Correct Answer: 10. (c)
Solution:
- Electric field is zero everywhere inside a metal (conductor) i.e. field lines do not enter a metal. Simultaneously these are perpendicular to a metal surface (equipotential surface).