Answered

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A hair dryer wastes 376J for every 1500J of electrical energy it uses. How efficient is the hairdryer?

Sagot :

felixkings

Answer:

[tex] \boxed{efficiency, \gamma = 74.93 \%}[/tex]

Step-by-step explanation:

[tex] efficiency, \: \gamma = \frac{1500 - 376}{1500} \times 100 \\ \gamma = \frac{1124}{1500} \times 100 = 74.93 \\

efficiency, \gamma = 74.93 \%[/tex]

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