Question

I have a test tomorrow and I don't really understand this question, I was hoping somebody could help explain it?

If 2.75x10¹⁹ electrons pass a point in a circuit in 30s, what is the current?
2.75*10^19electrons/30s =
9.167*10^17 electrons/s

I = (9.167*10^17/62.42*10^17) * 1Amp = 0.147 Amps.

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