Question

State the energy changes occurs in a battery.

Answer 1

1. Chemical energy is converted into electrical energy in a battery.
2. According to the law of conservation of energy, energy can neither be created nor be destroyed, it can be changed from one form to another.
3. So when work is done there is a change in energy occurs.
4. Chemical energy is the energy stored in the bonds of a chemical substance.
5. Thus, in a battery, the stored chemical energy is converted to electrical energy when it is connected to a circuit.