Question

Two spherical conductors of radii 4 m and 5m, are charged to the same potential. If s₁ and s₂ be the respective values of the surface density of charge on the two conductors, then the ratio $\frac{\sigma_{1}}{\sigma_{2}}$ is-

• A. $\frac{25}{16}$
• B. $\frac{16}{25}$
• C. $\frac{5}{4}$
• D. $\frac{4}{5}$

Answer 1

Answer: (C)

$\frac{5}{4}$

Answer 2

F₁=, F₂ =