Capacitance of an isolated | CAPACITANCE

JEE MAIN 2022

25-07-2022 S2

Question

Capacitance of an isolated conducting sphere of radius $R_1$ becomes $n$ times when it is enclosed by a concentric conducting sphere of radius $R_2$ connected to earth. The ratio of their radii $\left(\frac{R_2}{R_1}\right)$ is :

Select the correct option:

$\frac{n}{n-1}$

$\frac{2 n}{2 n+1}$

$\frac{n+1}{n}$

$\frac{2 n+1}{n}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Hard

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