hifzarahman13 hifzarahman13
  • 04-03-2021
  • Physics
contestada

Calculate the efficiency of a hairdryer that has a total power input of 2000W and a useful power output of 1200W.

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paigevaughan304
paigevaughan304 paigevaughan304
  • 04-03-2021
Answer would be 40 w
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