The SI unit of electric potential difference and electromotive force, measuring the electrical pressure that drives current through a circuit.
Named after Alessandro Volta (1745-1827), Italian physicist who invented the electric battery. The unit was officially adopted in the 1880s as electrical science became standardized during the Second Industrial Revolution.
Volta's name lives on in our daily lives every time we check battery voltage or plug something into a wall outlet. The volt is fundamental to understanding electricity - it's the 'push' that makes electrons flow, like water pressure in pipes.
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