A spherical conductor of radius 12 cm has a charge of `1.6xx10^(-7)C` distributed uniformly on its surface. What is the electric field (a) inside the sphere (b) just outside the sphere (c ) at a point 18 cm from the center of the sphere ?

A spherical conductor of radius 10 cm has a charge of 3.2 x 10^-7 C distributed uniformly. What is magnitude of electric field at point 15 cm from centre of sphere?

A solid conducting sphere ofradius 5.0 cm has a charge of 0.25nC distributed uniformly on its surface. If point A is located at the centre of the sphere and a point Bis 15cm from the center, what is the magnitude of the electric potential difference between these two points ?

A conducting sphere of radius 10 cm is given a charge of +2xx10^(-8)C . What will be its potential?

A spherical conductor of radius 2 cm is uniformly charged with 3 nC. What is the electric field at a distance of 3 cm from the centre of the sphere?

A hollow, spherical conductor of radius 10 cm is charged with 5 xx 10^(-9)C . Find the potential (a) at a distance of 20 cm from the centre ,(b) at the surface of the sphere , (c) at a distance of 5 cm from centre.

A hollow sphere of radius a carries a total charge Q distributed uniformly over its surface. A small area dA of the sphere is cut off. Find the electric field at the centre due to the remaining sphere.