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{"id":187,"date":"2020-11-13T08:32:45","date_gmt":"2020-11-13T08:32:45","guid":{"rendered":"http:\/\/ms.iaca.fr\/?p=187"},"modified":"2020-11-15T13:54:04","modified_gmt":"2020-11-15T13:54:04","slug":"energie-et-puissance","status":"publish","type":"post","link":"http:\/\/ms.iaca.fr\/energie-et-puissance","title":{"rendered":"\u00c9nergie et puissance"},"content":{"rendered":"\n
L\u2019\u00e9nergie E : <\/strong>Capacit\u00e9 d\u2019un syst\u00e8me \u00e0 produire du travail, de la lumi\u00e8re ou de la chaleur. L\u2019unit\u00e9 l\u00e9gale d\u2019\u00e9nergie est le Joule (J), on mesure aussi l\u2019\u00e9nergie en Wattheure (Wh) => 1 Wh= 3600 J <\/p><\/blockquote>\n\n\n\n
La puissance P : <\/strong>Refl\u00e8te la vitesse \u00e0 laquelle un travail est fourni. Il s\u2019agit de la quantit\u00e9 d\u2019\u00e9nergie par unit\u00e9 de temps fourni par un syst\u00e8me \u00e0 un autre. L\u2019unit\u00e9 l\u00e9gale de la puissance est le Watt (W ).<\/p>\n\n\n\n
\u21d2La relation entre la puissance et l\u2019\u00e9nergie est : <\/p>\n\n\n\n