by abhishek | Aug 30, 2020 | Renewable Sources of Energy
Flowing water is also an important renewable source of energy. The kinetic energy of flowing water has also been used for centuries by human beings for various works. For example, the energy of flowing water has been used for centuries by human beings to transport...
by abhishek | Aug 30, 2020 | Renewable Sources of Energy
Wind is a renewable source of energy. Blowing air is known as wind. Since wind is moving air, so it possesses kinetic energy. The kinetic energy of wind has been used for centuries by human beings for doing various types of works. For example, Wind energy is used to...
by abhishek | Aug 30, 2020 | Renewable Sources of Energy
The devices which convert solar energy directly into electricity are called solar cells. Solar cells are made from thin layers of semi-conductor materials such as silicon and gallium. Semiconductors are those substances which have electrical conductivity more than...
by abhishek | Aug 30, 2020 | Renewable Sources of Energy
The device in which solar energy is directly used to heat the water is called solar water heater. Construction of solar water heaterIn solar water heaters, a pipe of copper with its outer surface painted black is fitted in the form of a coil in a box which is painted...
by abhishek | Aug 30, 2020 | Renewable Sources of Energy
A spherical reflector type solar cooker consists of a large spherical (concave) reflector which reflects the sun’s energy to a single focus point due to which a high temperature is produced in the focus area. Since, a spherical reflector type solar cooker reflects and...
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