Capacitance (in F) of a spherical conductor with radius 1m is

Options

A. `1.1xx10^(-10)`
B. `10^(-6)`
C. `9xx10^(-9)`
D. `10^(-3)`

Answer

A

Explanation

Capacitance of spherical conductor `=4piin_(0)a`, Therefore, `C=(1)/(9xx10^(9))xx1=1.1xx10^(-10)F`