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Technical and scientific discussion of amps, cables and other topics.

RE: A few things

> We established a week or two ago on one of these threads that current doesn't flow in cables, technically speaking.

I think you're wrong about electron flow because if you take a battery and connect a wire between the positive and negative terminals, you will find that electrons will flow through the wire from negative to positive until the battery no longer has a difference in potential between the two terminals. Since all the extra electrons in the negative end of the battery move to the positive end of the battery, they must be flowing through the piece of wire connecting the two terminals.

In fact, current is defined as electron flow. One ampere of current is defined as 6.241 x 1018 electrons flowing past a point in the wire every second.

Good luck,
John Elison


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