Is EMF a voltage?

Is EMF a voltage?

The electromotive force (emf) is the potential difference of a source when no current is flowing. Terminal voltage is the voltage output of a device is measured across its terminals. Terminal voltage is calculated by V = emf – Ir.

Why EMF is called force?

No, it's just the potential difference between the terminals of a battery. It got its name because people thought that a force was moving the electrons. … The quantity which was thought to refer to EMF turned out to be potential difference.

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