The derived unit of electric potential, electric potential difference, and electromotive force in the International System of Units (SI), defined as the difference in electric potential between two points of a conductor carrying a constant current of one ampere when the power dissipated between these points is equal to one watt. noun
The battery provides a voltage of 12 volts.
The electrical outlet supplies a standard voltage of 120 volts in the United States.
A voltmeter is used to measure the voltage across a component.