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Dvinal [7]
3 years ago
5

A hair dryer operating from 120 v has two settings, hot and warm. in which setting is the resistance likely to be smaller?

Physics
1 answer:
GaryK [48]3 years ago
3 0
Resistance is more likely to be smaller on hot
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sen\O_{2}= \frac{n_{2}*sen\O_{1}}{n_{1}} \\ sen\O_{2}= \frac{1.5* \frac{1}{2} }{1} \\ sen\O_{2}=0.75
  
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Obs: Approximate results, and the drawing is attached

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