A conducting sphere of radius `R` is given a charge `Q`. The electric potential and the electric field at the centre of the sphere respectively are

Options

A. zero and `(Q)/(4 pi epsi_(0) R^(2))`
B. `(Q)/(4 pi epsi_(0) R)` and zero
C. `(Q)/(4 pi epsi_(0) R)` and `(Q)/(4 pi epsi_(0) R^(2))`
D. both are zero

Answer

B

Explanation

Conceptual