Solar cells use the energy in sunlight to produce electricity. Thus, solar cell is a device which converts solar energy (or sun's energy) directly into electricity. Since solar energy is also called sunlight energy, so we can also say that a solar cell converts sunlight energy into electrical energy.
1. .................. is a device which converts solar energy directly into electricity.
a. Solar cells
b. Pencil cell
c. Battery cell
d. Moon cell
2. A solar cell converts sunlight energy into .......... energy.
a. Geothermal
b. Electrical
c. Nuclear
d. Tidal
3. A solar cell is usually made from ...........
a. Gold
b. Silver
c. Silicon
d. None of these
4. A simple solar cell consists of sandwich of a 'silicon-boron layer' and a 'silicon-arsenic layer'
a. TRUE
b. FALSE
5. The solar cell is covered with a .............. cover for protection.
a. Steel
b. Glass
c. Cloth
d. None of these.
