Question

(a)What do you mean by the power dissipated in a conductor when an electric current is flowing through it?

Answer 1

Answer:

When ever an electric current passes through a conductor, energy in the form of heat, light, sound, motion (translational/ rotation) etc is dissipated. The rate of energy consumed is known as power dissipation. For example, in a bulb, the electricity passes through the tungsten filament. The energy is dissipated in the form of heat and light. The bulbs are marked on the power dissipation basis. Basically, on the rate of energy dissipation, we get variety of bulbs. The loss of heat is directly proportional to the square of the electric current passing through the conductor.