Advertisements
Advertisements
Question
What is hydroelectricity? Explain the basic principle of generation of hydroelectricity with the help of a labelled diagram.
Solution
Hydroelectricity is the product of a process by which mechanical energy from the flow of water is used to generate electricity.
It works on the principle of conversion of mechanical energy into electrical energy. Mechanical energy from the flow of water is used to rotate turbines, which are connected to a dynamo that generates electricity.
APPEARS IN
RELATED QUESTIONS
The harnessing of which of the following leads to the destruction of large eco-systems?
(a) thermal power
(b) tidal power
(c) hydro power
(d) geothermal power
Read the information given below and solve the questions based on it.
Electric energy is produced in various ways like hydroelectric, wind power, Solar energy, bio-fuel, etc. These energy sources are inexhaustible, sustainable. Besides, it does not cause any environmental problem.
i. Above information is about which type of energy?
ii. Whether the fossil fuel is an example of this energy?
iii. Draw the flow chart of production of electric energy.
Give scientific reason
It is possible to produce energy from mW to MW using solar photovoltaic cells.
Give your opinion about whether hydroelectric plants are environment friendly or not?
What is hydro energy? Explain the principle of generating electricity from hydro energy. How much hydro electric power is generated in India?
Major hydroelectric power plants in India
In a hydropower plant:
Choose the correct statement.
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because
Complete the stages in electric generator using wind energy.