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16 October, 15:56

Which consumes more energy, a 1.3 kw hair dryer used for 10 min or a 10 w night light left on for 24 hr?

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  1. 16 October, 16:25
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    Night light consumes more energy

    energy consumed by hair dryer = 1300w x 60 x 10 = 780000

    energy consumed by night light = 10 x 24 x 60 x60 = 864000
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