I know that flow of electrons is not current, it is opposite to the direction of flow of electrons, is it just a convention? why such a convention was chosen if it is one. . Please correct me if you think i have very wrong assumptions.
It’s a flow of “holes”. Imagine a traffic jam where you all shuffle forward a bit when there’s a space, that space seems to ripple backwards as the cars come to fill the gap. Same with holes – electrons come to fill a hole, so the hole appears to flow in the other direction.
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