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> He did not mention at all that the proportion of what he was talking about was essentially irrelevant unless you are an electronics board designer.

If you want to get that detailed most people would freak at conventional vs electron flow. The + wire is actually where the negative electrons are emitted. But as electricity was developed people didn't know that but it all works out so it was left as is. For physics or any other scientific experiments electron flow is used.

Even the term "negative" is a can of worms it could have been called green or red or yellow not "negative". It comes from Ben Franklin and accounting terms.




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