An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
Answer (2)
To calculate the number of electrons flowing through a device with a current of 15.0 A for 30 seconds, we first find the charge using Q = I × t which equals 450 C. Then, we use the charge of a single electron (approximately 1.6 × 1 0 − 19 C ) to find that about 2.81 × 1 0 21 electrons flow through the device.
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