A condenser of capacity `8 mu F` is charged to a potential of 1000 V, calculate the energy stored in the condenser.

An air capacitor of capacity 50 mu F is charged to a potential of 200 V. The area of each plate is 20 cm^2 and the distance of separation between the plates is 0.1 mm, find the energy per unit volume of the electric field between the plates of the capacitor .

Two condensers of capacity 3 mu F and 6 mu F respectively are connected in series . The combination is connected across a potential of 6 V. The ratio of the energies stored by the condensers will be

Figure shows a network of five capacitors connected to a 100V supply. Calculate the total charge and energy stored in the network.

If q is a charge on the capacitor and C is a capacitance, then energy stored in capacitor is

A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 V. The potential at the centre of the sphere is

Calculate the energy stored in a capacitor of 6muF when it is charged to a potential of 240 volt.

5. A dam on Vaitama river stores about 60000 kg of water at a height of 80 m. Calculate the amount of potential energy stored in the water.

The capacity of a parallel plate air capacitor is 10 mu F and it is given a charge of 40 mu C . The electrical energy stored in the capacitor is

In which form is the energy stored in a charged capacitor?

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