Q. A metallic spherical shell of radius$\ R$ has a charge $\mathcal{–Q}$ on it. A point charge $\mathcal{+ Q}$ is placed at the centre of the shell. Which of the graphs shown below may correctly represent the variation of the electric field $E$ with distance $\ r$ from the centre of the shell?
A) [image:1_image53.emf]
B) [image:1_image54.emf]
C) [image:1_image55.emf]
D) [image:1_image56.emf]
Explanation
The correct answer is Option C: [image:1_image55.emf].
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.