Advertisements
Advertisements
प्रश्न
Name a device in which solar energy is converted into electricity state its two uses.
Advertisements
उत्तर
Solar cell.
Its two uses are:
(i) All artificial satellites and space probes mainly depend upon electricity generated by solar cells.
(ii) Solar cells are used for lighting, operating water pumps, running radio and television sets in remote areas and traffic signals, etc.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
State whether a solar cell produces a.c. or d.c.
State two uses of solar cells.
Name the energy changes for the following:
electric ball
What do you understand by mechanical energy?
What do you understand by the kinetic energy of the body?
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
Give one example when:
Sound energy changes to electric energy.
