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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Approximately 2.81 × 1 0 21 electrons flow through the device when a current of 15.0 A is delivered for 30 seconds. This is calculated by first finding the total charge and then determining how many electrons correspond to that charge. Understanding the formulae for current, charge, and the charge of an electron is key to finding the answer.
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