The electric intensity of outside a charged sphere of radius R at a distance `r (r gt R)` is

Options

A. `(sigma R^(2))/(epsilon_(0)r^(2))`
B. `(sigma r^(2))/(epsilon_(0)R^(2))`
C. `(sigma r)/(epsilon_(0)R)`
D. `(sigma R)/(epsilon_(0)r)`

Answer

A

Explanation

The electric intensity outside a charged sphere,
`E=(sigmaR^(2))/(epsilon_(0)r^(2))`