What force is produced when a battery causes an electric current to flow trough a circuit made of copper wire

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You'll hear that force called different things in different places. It may be called "electromotive force", "EMF", "potential difference", or "voltage". It's just a matter of somehow causing the two ends of the wire to have different electrical potential. When that happens, the free electrons in the copper suddenly have a burning desire to travel ... away from the end that's more negative, toward the end that's more positive, and THAT's an "electric current".


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