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Watt

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The watt (symbol: W) is the SI derived unit for power. It is equivalent to 1 joule per second (1 J/s), or in electrical units, 1 volt-ampere (1 V · A).

Equations : W = J·s-1 = N·m·s-1 = kg·m2·s-3

The unit of watt was named after James Watt for his contributions to the development of the steam engine, and was adopted by the Second Congress of the British Association for the Advancement of Science in 1889.

See also

External link

  • Nelson, Robert A., "The International System of Units (http://www.aticourses.com/international_system_units.htm) Its History and Use in Science and Industry". Via Satellite, February 2000.



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