include electrical as well as mechanical definition
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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.
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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.
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==See Also==
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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).
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* [[Volt]]s
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* [[Current]]
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The unit was named after the Scottish engineer [[James Watt]] (1736–1819).