If $q$ is the charge per unit area on the surface of a conductor, then the electric field intensity at a point on the surface is

  • A

    $\left( {\frac{q}{{{\varepsilon _0}}}} \right)$ normal to surface

  • B

    $\left( {\frac{q}{{2{\varepsilon _0}}}} \right)$ normal to surface

  • C

    $\left( {\frac{q}{{{\varepsilon _0}}}} \right)$ tangential to surface

  • D

    $\left( {\frac{q}{{2{\varepsilon _0}}}} \right)$ tangential to surface

Similar Questions

A metallic rod is placed in a uniform electric field. Select the correct option.

Consider an initially neutral hollow conducting spherical shell with inner radius $r$ and outer radius $2 r$. A point charge $+Q$ is now placed inside the shell at a distance $r / 2$ from the centre. The shell is then grounded by connecting the outer surface to the earth. $P$ is an external point at a distance $2 r$ from the point charge $+Q$ on the line passing through the centre and the point charge $+Q$ as shown in the figure. The magnitude of the force on a test charge $+q$ placed at $P$ will be

  • [KVPY 2013]

A conducting sphere of radius $10\, cm$ is charged $10\,\mu \,C$. Another uncharged sphere of radius $20\, cm$ is allowed to touch it for some time. After that if the sphere are separated, then surface density of charges, on the spheres will be in the ratio of

  • [AIIMS 2002]

The adjacent diagram shows a charge $+Q$ held on an insulating support $S$ and enclosed by a hollow spherical conductor. $O$ represents the centre of the spherical conductor. and $P$ is a point such that $OP = x $ and $SP = r$ . The electric field at point $P$  will be

For the situation shown in the figure below, mark out the correct statement