Which of the following correctly describes the energy changes in the generation of light by...
PHYSICS
JAMB 1993
Which of the following correctly describes the energy changes in the generation of light by a hydroelectric power station?
- A. Electrical ? mechanical ? potential
- B. potential ?mechanical ?electrical ? light
- C. mechanical ? sound ? electrical ? light
- D. kinetic ? mechanical ? electrical ?light
Correct Answer: D. kinetic ? mechanical ? electrical ?light
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