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

  • A

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

  • B

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

  • C

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

  • D

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

Similar Questions

Can a metal be used as a medium for dielectric

The dielectric strength of air at $NTP$ is $3 \times {10^6}\,V/m$ then the maximum charge that can be given to a spherical conductor of radius $3\, m$ is

Three concentric metallic spherical shells of radii $R, 2R, 3R$, are given charges $Q_1, Q_2, Q_3$, respectively. It is found that the surface charge densities on the outer surfaces of the shells are equal. Then, the ratio of the charges given to the shells, $Q_1 : Q_2 : Q_3$ is

‘Inside a conductor electrostatic field is zero’. Explain.

A hollow closed conductor of irregular shape is given some charge. Which of the following statements are correct ?