An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
Answer (2)
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By applying the formula for current and charge, we find that a current of 15.0 A over 30 seconds results in a total charge of 450 Coulombs. This charge translates to approximately 2.81 × 1 0 21 electrons flowing through the device. Thus, the total number of electrons that flow is around 2.81 × 1 0 21 .
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