What is a solar cell panel? For what purpose is it used? State its two main advantages.
Solar panels are devices that convert light into electricity. They are called "solar" panels because most of the time, the most powerful source of light available is the Sun, called Sol by astronomers. Two main advantages of using solar panels are:
a) It provides much more electric power than a single solar cell.
b) It is used to provide electricity in remote and inaccessible rural areas.