Energy possessed by water in a dam is ?
Correct answer: D. Potential energy
- A. Electrical energy
- B. Mechanical energy
- C. Kinetic energy
- D. Potential energy
Explanation
Water stored at height in a dam possesses gravitational potential energy because of its position. When released, this energy changes into kinetic energy and then helps generate electricity.
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Everyday physics explains motion, force, work, power, pressure, heat, light, sound and electricity through familiar devices and natural events. Topics include simple machines, friction, expansion, reflection and refraction, lenses, household circuits, electrical safety and magnetism, with mass distinguished from weight and heat distinguished from temperature.
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