How do energy transformations occur in a hydroelectric plant?

A. The kinetic energy of water is converted by a generator into electric energy.

B. The potential energy of water is converted by a transformer into electric energy.

C. The potential energy of water is converted to mechanical energy by a turbine.

D. The kinetic energy of water is converted by a dam into potential energy.
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A.The kinetic energy of water is converted by a generator into electric energy.

Explanation:

Hydroelectric plant will need a source of flowing water. Water flow to lower ground because of gravity. The gravity will convert potential energy of water that located in higher ground into kinetic energy. These flowing water will be used to move the turbin that will in turn produce electrical energy.

So, the hydroelectric plant is converting the kinetic energy of water into electric energy.