Why is the direction of current taken to be opposite to the  direction of electrons?

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This is easiest to understand if you look at a diagram; I have attached a link that shows this. The whole concept of current flow was defined before scientists really understood the structure of the atom. It is indeed the negatively charged electrons that are moving from one atom to...

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This is easiest to understand if you look at a diagram; I have attached a link that shows this. The whole concept of current flow was defined before scientists really understood the structure of the atom. It is indeed the negatively charged electrons that are moving from one atom to the next, but we talk about current moving in the opposite direction. So there is something moving in the direction we talk about current moving in, in a way, but it is a space, waiting to be filled by an electron, that is "moving".

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