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Josephson junction array chip developed by NIST as a standard volt.
For the electric plug-in hybrid concept car, see Chevrolet Volt.
For the record label, see Volt Records

The volt (symbol: V) is the SI derived unit of electric potential difference or electromotive force (also known as voltage). It is named in honor of the Italian physicist Alessandro Volta (1745–1827), who invented the voltaic pile, the first chemical battery.

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