A charge of `17.7 xx 10^(-4)C` is distributed uniformly over a large sheet of area `200 m^(2)`. The electric field intensity at a distance 20 cm from it in air will be
A. `5 xx 10^(5) N//C`
B. `6 xx 10^(5) N//C`
C. `7 xx 10^(5) N//C`
D. `8 xx 10^(5) N//C`