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For other uses, see Volt (disambiguation). The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
One volt is the potential difference between two points on a conductor when the current flowing is 1 ampere and the power dissipated between the points is one watt (definition adopted by the CIPM in 1946, Resolution 2). The volt is a derived unit, wattâampere, or in terms of base units only,