A sphere of radius `0.03m` is suspended within a hollow sphere of radius `0.05m`. If the inner sphere is charged to a potential of `1500` volt and outer sphere is earthed. Find the capacitance and the charge of the inner sphere.

A sphere of 4 cm radius is suspended within a hollow sphere of 6 cm radius. The inner sphere is charged to potential 3 e.s.u. and the outer sphere is earthed. The charge on the inner sphere is

A sphere of 4 cm radius is suspended within a hollow sphere of 6 cm radius. The inner sphere is charged to potential 3 e.s.u. and the outer sphere is earthed. The charge on the inner sphere is

A sphere of 4 cm radius is suspended within a hollow sphere of 6 cm radius. The inner sphere is charged to potential 3 e.s.u. and the outer sphere is earthed. The charge on the inner sphere is

A sphere of 10 cm diameter is suspended within a hollow sphere of 12 cm diameter. If the inner sphere be charged to a potential of 15,000 V and the outer sphere be earthed, the charge on the inner sphere is

A hollow metallic sphere of radius 0.1 m is charged to a potential of 5 V. The potential at its centre is

A spherical capacitor has an inner sphere of radius 9 cm and an outer sphere of radius 10 cm. the outer sphere is earthed and the inner sphere is charged. What is the capacitance of the capacitor?

Figure shows a solid conducting sphere of radius 1 m. enclosed by a metallic shell of radius 3 m such that their centress coincide. If outer shell is given a charge of 6 mu C and inner sphere is earthed, find megnitude charge on the surface of inner shell