A ring of charge with radius `0.5m` has `0.002 pi` m gap. If the ribg carries a charge of `+1 C` the electric field at the center is

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

Semicircular ring of radius 0.5 m is uniformly charged with a total charge of 1.4 xx 10^(-9) C . The electric field intensity at centre of this ring is :-

A semicircular ring of radius 0.5 m is uniformly charged with a total charge of 1.5 xx 10^(-9) coul. The electric potential at the centre of this ring is :

A semicircular ring of radius 0.5 m is uniformly charged with a total charge of 1.5 xx 10^(-9) coul. The electric potential at the centre of this ring is :

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 circular copper ring of radius r, placed in vacuum, has a charge q on it. Find out the electric fields at the centre of the ring.

An isolated conducting sphere of radius 0.1m placed in vacuum carries a positive charge of 0.1muC . Find the electric intensity at a point at a distance 0.2 m from the centre of the sphere.