Watt

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).

It is the rate in joules per second at which energy is being converted, used or dissipated.

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, and by the 11th Conférence Générale des Poids et Mesures in 1960.

See also

• SI
• kilowatt-hour (kWh)
• watt balance
• conversion of units
• Orders of magnitude (power)
• James Watt

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.

bg:Ват da:Watt de:Watt (Einheit) et:Vatt (ühik) es:Vatio fr:Watt it:Watt nl:Watt ja:ワット pl:Wat pt:Watt ru:Ватт sl:Watt

This article is licensed under the GNU Free Documentation License. It uses material from Wikipedia article. Browse Wikipedia for more information.