2014年10月20日星期一
watt
The power unit of the international system of units.Watt is defined as 1 joule per second (1 j/s),namely every second transformation,use or dissipation (in the) of joule for measurement of the rate of energy. In the electrical electric fan motor system of units,the volt by ampere (V (A).More commonly used in everyday life-kw as a unit,1 mw = 1000 watt.Unit conversion: watt by a British scientist to make a significant contribution to the development of the steam engine was named after James watt.The name of the entity in the first 1889 adopted by the 2nd meeting of the British association for the advancement of ac induction motor 110kw science.In 1960,the international conference on measurement 11th meeting in watts of power in the international system of units (units.People commonly used power unit multiplied by the unit of time to represent the energy.For example,1 kw? R is a power of 1 kw of energy consumed energy wholesalemotor.blogspot.com consumption equipment in 1 hour,is equal to 3.6 million joules.The commonly used formula W = UIT; W = P * T Network watt is small electric motors English words on the water (water).Such as the brain watt,it means that thinking."W" and "bad" in the Shanghai dialect pronunciation similar.
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