A charge $17.7 \times 10^{-4}\text{ C}$ is distributed uniformly over a large sheet of area $200 \text{ m}^2$. The electric field intensity at a distance $20 \text{ cm}$ from it in air will be $[\epsilon_0 = 8.85 \times 10^{-12}\text{ C}^2/\text{Nm}^2]$}