When a hydroelectric dam is operating, falling water moves turbines, which are able to generate an electric current. Which energy transformations are taking place during operation?
a. kinetic to potential to electrical
b. potential to kinetic to chemical
c. potential to kinetic to electrical
d. kinetic to electrical to potential
1 answer
The answer is C: potential to kinetic to electrical. When the water falls from a higher to a lower level, the potential energy of the water is converted into kinetic energy. The moving water then turns the turbines, which convert the kinetic energy to electrical energy.
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