Watt
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Définition
L'unité SI de puissance, égale à un joule par seconde.
Explication
Named after James Watt. A typical incandescent light bulb uses 60-100 watts. One kilowatt-hour (kWh) is the energy used by a 1 kW device running for 1 hour.
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RELATED TERMS
Mètre
L'unité SI de base de longueur, définie comme la distance parcourue par la lumière en 1/299 792 458 de seconde.
Kilogramme
L'unité SI de base de masse, définie par la constante de Planck.
Seconde
L'unité SI de base du temps, définie par les transitions de l'atome de césium-133.
Kelvin
L'unité SI de base de température thermodynamique, dont l'origine est le zéro absolu.
Ampère
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