Q 12-01-088JEE MainJEE Main 2023 (8 Apr, Shift 1)Easy
Graphical variation of electric field due to a uniformly charged insulating solid sphere of radius $R$, with distance $r$ from the centre $O$ is represented by
Answer: (A) see figure
Inside the sphere $E=\dfrac{kQr}{R^3}$ rises linearly from zero; outside $E=\dfrac{kQ}{r^2}$ falls off. Graph (1).
Solution by Sreeraj P, M.Sc Physics