Import Question JSON

$\text{Hint: } V = \frac{KQ}{R}$ $\text{Step: Find the variation of potential as a function of } r \text{ for a}$ $\text{spherical shell.}$ $\text{For a uniformly charged spherical shell of radius } R, \text{ the potential } V$ $\text{at a distance } r \text{ from the centre behaves differently depending on}$ $\text{whether } r \text{ is inside or outside the shell.}$ $\text{The potential is given as } V = - \int E \cdot dl$ $\text{The potential at the centre of the spherical shell of the radius } R \text{ is}$ $\text{constant is given by;}$ $V = \frac{KQ}{R} \text{ for } r \leq R$ $\text{The potential at outside the surface of the spherical shell varies}$ $V \propto \frac{1}{r}.$ $V = \frac{KQ}{r} \text{ for } r > R$ $\text{Therefore, the graph should show a flat line inside the shell and a}$ $\text{hyperbolic decay outside the shell as shown in the figure below;}$ $\text{Hence, option (4) is the correct answer.}$