Question

What is the basic principle of harnessing solar energy?

Answer 1

1. Solar energy is simply the light and heat energy that comes from the sun.
2. We can harness the solar energy in different ways.
3. The main principle is to convert solar energy into electrical energy by making it fall on a photovoltaic cell. This electricity can be used directly or stored in a battery for future use.
4. In solar thermal technology heat energy of sun is used to make hot water or steam.