A charge of `5xx10^(-10)C` is given to a metal cylinder of length 10 cm, placed in air. The electric intensity due to the cylinder at a distance of 0.2 m from its axis is

A cylinder of length L has a charge of magnitude q. The electric intensity at a point at a distance r from the axis of the cylinder is

A metal cylinder of length 2 km is charged with 2xx10^(-2)C . The linear charge density of the cylinder is

A charged cylinder of radius 2 cm has surface density of charge 8.85xx10^(-9)C//m^(2) . It is placed in a medium of dielectric constant 5. The electric intensity at a point at a distance of 4 m from its axis is

A cylinder of large length carries a charge of 2xx10^(-8)Cm^(-1) find the electric field at a distance of 0.2 m from it.

If sigma is surface density of charge on the charged cylinder of radius R, then electric intensity E at outer point at a distance r from its axis is

Calculate the electric field due to a charge of -8.0 xx 10^-8 C at a distance of 5.0 cm from it

A charged cylindrical conductor of infinite length has charge per unit length of 10muC//m . The electric intensity at a point at a distance of 20 cm from its axis in the surrounding medium is 2.5xx10^(5)N//C . The relative permittivity of the surrounding medium is

4 xx 10^(10) electrons are removed from a neutral metal sphere of diameter 20 cm placed in air. The magnitude of the electric field (in N C^(-1) ) at a distance of 20 cm from its centre is

4xx10^(10) electrons are removed from a neutral metal sphere of diameter 20 cm placed in air. The magnitude of the electric field (in NC^(-1) ) at a distance of 20 cm from its centre is