An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

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Answered by GinnyAnswer | 2025-07-03

To find how many electrons flow through an electric device delivering a current of 15.0 A for 30 seconds, we calculate the total charge using the formula Q = I × t, resulting in 450 coulombs. Dividing this charge by the charge of a single electron (approximately 1.6 x 10^-19 C) gives approximately 2.81 x 10²¹ electrons. Therefore, around 2.81 x 10²¹ electrons flow through the device in that time period.
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Answered by Anonymous | 2025-07-04