The electric field near a conducting surface having a uniform surface charge density $\sigma$ is given by

$\frac{2\sigma }{{\epsilon }_0}$ and is normal to the surface

$\frac{2\sigma }{{\epsilon }_0}$ and is parallel to the surface

$\frac{\sigma }{{\epsilon }_0}$ and is parallel to the surface

$\frac{\sigma }{{\epsilon }_0}$ and is normal to the surface