Question
Sat June 09, 2012 By:
I KNOW THAT THERE IS KINETIC  ENERGY IN MOVING WATER AND FALLING WATER IS ALSO MOVING WATER BUT STILL ITS SPECIFIED IN THE BOOKS THAT

why it is written in ncert books that hydro power plants covert the POTENTIAL ENERGY of the FALLING WATER INTO ELECTRICITY?

Expert Reply
Mon June 11, 2012
Hydro power plants convert potential energy of water stored at a height into electricity.
A storage dam is constructed  to collect water in a large artificial lake. In this process, kinetic energy of water is transformed into its potential energy. Then, water from the top of the dam is allowed to fall through pipelines over blades of a turbine at the bottom of dam. In this process, the potential energy of water changes into kinetic energy which is transferred to the turbine which then changes the kinetic energy of water into electricity.
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