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Why do the current arrows point the wrong way?

If you’re studying for your amateur radio licence, but happen to know a little basic Physics, you may be confused by some of the training diagrams depicting current flow.

Current Flow

In the diagrams, you’ll see the direction of arrows showing current flowing from positive-to-negative, but in practice, electrons actually travel negative-to-positive.

Despite this, it’s common to show positive-to-negative, as that’s how it’s been written for years, and way before the behaviour of electrons was understood. It’s referred to as Conventional Current Flow

For more, see: Conventional Current Flow

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