watt second
Noun 1. a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second (synonym) joule, J (hypernym) work unit, heat unit, energy unit (part-meronym) erg | ||||
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Watt second definition was found in categories: Language, Idioms & Slang(1) Encyclopedia(1)
Watt second Definition from Language, Idioms & Slang Dictionaries & Glossaries
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watt second
watt second
n : a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second [syn: joule, j]
watt second
n : a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second [syn: joule, j]
Watt second Definition from Encyclopedia Dictionaries & Glossaries
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Watt-hour
The watt-hour (symbol W·h or Wh) is a unit of energy. It is most commonly used on household electricity meters in the form of the kilowatt-hour (kW·h or kWh), which is 1,000 watt-hours.
It is not used in the International System of Units (SI), despite being based on the watt, as the hour is not an SI unit. The SI unit of energy is the joule (J), equal to one watt-second. It is, however, a commonly used unit, especially for measuring electric energy.
1 watt-hour is equivalent to 3,600 joules (1 W x 3600 s), the joule being the canonical SI unit of energy. Thus a kilowatt-hour is 3,600,000 joules or 3.6 megajoules.
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