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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In 30 seconds, a device with a current of 15.0 A carries approximately 2.81 x 10^21 electrons. This is calculated by first determining the total charge and then dividing that by the charge of one electron. Thus, the number of electrons flowing can be calculated using the relationship between current and charge.
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