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The unit of measure is the Volt

Potential difference is basically electrical "pressure" (an excess of electrons).

Volt.....The unit of electric potential. Named after the Italian physicist Alessandro Volta (1745- 1827). The potential difference is the difference in charge at the poles of a current source

The volt (symbol: V) is the SI derived unit of electromotive force, commonly called "voltage". It is also the unit for the related but slightly different quantity electric potential difference (also called "electrostatic potential difference"). ...

en.wikipedia.org/wiki/Volt

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15y ago

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