Question

6. State the energy conversion which occurs in the following devices
(a) Steam engine
(b) Nuclear power plant
(c) Wind energy farm
(d) Electric heater
(e) Solar cooker
(f) Solar cell
(g) Winding of clock
(h) Free fall of a stone
(i) Riding of bicycle
(j) Electric bulb​

Answer 1

Explanation:

1. thermal to mechanical
2. nuclear to thermal to electricity
3. mechanical to electrical
4. electrical to thermal
5. solar to thermal/electrical (it depends on the type of solar cooker, some convert solar to thermal directly, while some solar to electrical to thermal)
6. solar to chemical
7. mechanical to potential
8. potential to kinetic
9. muscle to mechanical
10. electrical to heat
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