Question

On which of the following scientific principles does a hydro electric power generator work?

• A. Conversion of gravitational potential energy into electrical energy using flowing water
• B. Extraction of geothermal energy of ocean to produce electricity
• C. Separation of hydrogen from water and then burning it to generate electricity
• D. Heating water to produce steam and then running steam engine to generate electricity

Answer 1

Answer:

A. Conversion of gravitational potential energy into electrical energy using flowing water

A hydroelectric power generator works on the scientific principle of converting gravitational potential energy into electrical energy using flowing water Hydroelectric power is produced by the gravity of falling water. In the hydroelectric power plant, more electrical power can be generated, if waterfalls from a greater height because the rise in water level causes the increase in potential energy of water. It flows from a higher position more amount of kinetic energy is formed by the conversion of higher potential energy and this kinetic energy in the form of moving water can produce more electrical power. The Koyna Hydroelectric Project is the largest completed hydroelectric plant in India. Its power capacity is 1920 megawatts. The first hydroelectric power station in India was established at Darjeeling.