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Which of the following best describes the energy changes which take place when a steam...

Physics
JAMB 2018

Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp?

  • A. heat ----> Light----> Sound ----> Kinetic
  • B. Kinetic ----> Light ----> Heat ----> Electricity
  • C. heat ----> Kinetic ----> Electricity ----> Heat and Light
  • D. electricity ----> Kinetic ----> Heat ----> Light
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Correct Answer: Option C
Explanation

The steam engine uses the Heat supplied from steam to supply kinetic energy into the generator which converts it to electricity to light the lamp, the lamp gives out light and heat as it works

There is an explanation video available below.


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Explanation Video

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