Difference between revisions of "Watt"
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| − | The '''watt''' is the [[International System of Units|ISU]] unit for [[power]]. It is defined as one [[ | + | The '''watt''' is the [[International System of Units|ISU]] unit for [[power]]. It is defined as one [[International System of Units#Joule|joule]] of energy per second. |
In terms of electromagnetism, one watt is the rate at which [[work]] is done when one [[ampere]] (A) of [[current]] flows through an electrical potential difference of one [[volt]] (V). | In terms of electromagnetism, one watt is the rate at which [[work]] is done when one [[ampere]] (A) of [[current]] flows through an electrical potential difference of one [[volt]] (V). | ||
Latest revision as of 23:05, June 27, 2016
The watt is the ISU unit for power. It is defined as one joule of energy per second.
In terms of electromagnetism, one watt is the rate at which work is done when one ampere (A) of current flows through an electrical potential difference of one volt (V).
The unit was named after the Scottish engineer James Watt (1736–1819).