The electric field near a conducting surface having a uniform surface charge denstiy `sigma` is given by
A. `(sigma)/(epsi_(0))` and is parallel to the surface
B. `(2 sigma)/(epsi_(0))`
C. `(sigma)/(epsi_(0))` and is normal to the surface
D. `(2 sigma)/(epsi_(0))` and is normal to the surface