Potential energy of water stored in a dam Kinetic

Question:

Potential energy of water stored in a dam Kinetic energy of falling water -» K.E. of rotation of turbine -> electrical energy. Which is the ultimate souce

of energy ?

(a) Water

(b) Sun

(c) Uranium

(d) Fossil fuels

Solution:

(b).
Explanation : All forms of energy are derived from the sun.

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