A sphere of radius1 0 cm carries a charge of `1 mu C`. Calculate the electric field
at a distance of 30 cm from the center of the sphere

A sphere of radius 10 cm carries a charge of 1 mu C . Calculate the electric field at a distance of 5 cm from the center of the sphere

A sphere of radius1 0 cm carries a charge of 1 mu C . Calculate the electric field at the surface of the sphere

A metal sphere of radius 1cm is charged with 3.14 mu C . Find the electric intensity at a distance 1 m from centre of metal sphere.

A circular loop of radius 9.7 cm carries a current 2.4A. Obtain the magnitude of the magnetic field:- at a distance of 9.7cm from the centre of the loop but on the axis. .

A short magnetic dipoles has magnetic moment 0.5 Am^2 . Calculate its magnetic field at a distance of 20cm from the center of magnetic dipole on the axis.

A short magnetic dipoles has magnetic moment 0.5 Am^2 . Calculate its magnetic field at a distance of 20cm from the center of magnetic dipole on the equatorial line ( mu_0 = 4pi xx 10^-7 SI unit).

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