A conducting sphere of radius 10 cm has an unknown charge. If the electric field 20 cm from the centered of the sphere is `1.5times10^3N//C` and points radially inward, what is the net charge on the sphere ?

A conducting sphere of radius 10 cm has an unknown charge. If the electric field 20cm from the centre of the sphere is 1.5 xx 10^(3) N.C^(-1) and points radially inward, what is the net charge on the sphere ?

A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are

A conducting sphere of radius R is given a charge Q. The electric potential and the electric field at the centre of the sphere respectively are

A conducting sphere of radius 5 cm has a charge of 20 esu. What is the electric potential at a distance of 10 cm away from its centre?

A conducting sphere of radius 10 cm is kept in a medium of dielectric constant 8. Its capacitance is

A non conducting solid sphere of radius R is uniformly charged. The magnitude of electric field intensity due to the sphre at a distance r from its centre

Due to the presence of a charge at the centre of a sphere of radius 10 cm, the electric flux passing through the surface of the sphere is -6xx10^(3)N.m^(2).C^(-1) . (i) What is the magnitude of charge inside the sphere? (ii) If a concentric spherical Gaussian surface with a radius double that of that of the sphere is taken, what will be the amount of electric flux now passing through this surface?

A sphere of radius R has a volume density of charge rho= kr , where r is the distance from the centre of the sphere and k is constant. The magnitude of the electric field which exists at the surface of the sphere is given by ( epsi_(0) = permittivity of free space)