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Physics, 28.08.2019 11:00, paigefields2578
Acell phone charger uses 4.83 joules per second when plugged into an outlet, but only 1.31 joules per
second actually goes into the cell phone battery. the remaining joules are lost as heat. that’s why the battery
feels warm after it has been charging for a while. how efficient is the charger?
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Answers: 1
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Acell phone charger uses 4.83 joules per second when plugged into an outlet, but only 1.31 joules pe...
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