Cells, Microbes & Viruses / Re: Are all of the body's different cell types nonetheless eukaryotic cells?« on: 28/10/2019 17:15:26 »
Thanks you soo much for your detailed response, I appreciate it.
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What happens to the electrons, do they go back into the battery?
Yes, but not the same ones in the first instance. Imagine the circuit as jammed full of free electrons. You stuff some in at one end, they all move along a bit, and some others come out at the other end. The drift rate of a single electron in copper wire is about walking speed, but the transmission rate (time between one electron entering the wire and another leaving it) is close to the speed of light.