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20 June, 16:34

Which uses more electricity a 1700 w hair dryer or a 1200 w microwave: both running for 5 minutes?

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Answers (2)
  1. 20 June, 16:59
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    Hair dryer as you can tell from the difference, 500w
  2. 20 June, 18:47
    0
    The hair dryer dissipates 1700 joules of energy every second.

    The microwave dissipates 1200 joules of energy every second.

    In 5 minutes (300 seconds), the hair dryer uses up 150,000 more joules of energy than the microwave does.
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