A conducting sphere fo radius 10 cm has an unknown charge. If the electric field 20 cm from the center of the sphere is `1.5xx10^(3) N//C` and points radilly inwards, what is the net charge on the sphere ?

A conducting sphere of radius 5 cm has an unknown charge. The electric field at 10 cm from the centre of the sphere is 1.8xx10^(3)NC^(-1) and points radially inward. What is the net charge on the sphere?

A conducting sphere of radius 10 cm has unknown charge. If the electric field at a distance 20 cm from the centre of the sphere is 1.2xx10^(3)NC^(-1) and points radially inwards. The net charge on the sphere is

What is the net charge on a conducting sphere of radius 10 cm ? Given that the electric field 15 cm from the center of the sphere is equal to 3xx10^(3) N/C and is directed inward

A hollow sphere of radius 1m is given a positive charge of 10µC. The electric field at the centre of hollow sphere will be :

A hollow insulated conducting sphere of radius 2m, is given a charge of 5 muC . What will be the electric field at the centre of 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 Charge of 4 xx 10^(-8) C is distrivuted uniformaly on the surface of a sphere of rasius 1 cm. It is covered by a concentric, hollow conducting sphere of radius 5 cm. (a) Find the electric field at a point 2 cm away from the centre. (b) A xharge of 6 xx 10^(-8)C is placed on the hollow spher. Find the surface charge density on the auter surface of the hollow sphere.

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?