{"id":2018,"date":"2018-06-12T00:30:42","date_gmt":"2018-06-12T00:30:42","guid":{"rendered":"http:\/\/zatizi.com\/?p=2018"},"modified":"2018-06-12T00:30:42","modified_gmt":"2018-06-12T00:30:42","slug":"calcul-de-lenergie-consommee-par-une-ampoule-de-70-w-en-30-min","status":"publish","type":"post","link":"https:\/\/zatizi.com\/?p=2018","title":{"rendered":"Calcul de l&#8217;\u00e9nergie consomm\u00e9e par une ampoule de 70 W en 30 min ?"},"content":{"rendered":"<ul>\n<li>la puissance est l&#8217;\u00e9nergie consomm\u00e9e par unit\u00e9 de temps: <strong>P = E \/ \u2206t<\/strong><\/li>\n<li>en unit\u00e9s SI*, on exprime P en watt (W), E en joule (J) et \u2206t en seconde (s)<\/li>\n<li>on peut exprimer P en <strong>kilowatt<\/strong> (kW), E en <strong>kilowatt-heure<\/strong> (kW.h) et \u2206t en <strong>heure<\/strong> (h)<\/li>\n<li>or 1 W = 1 x 10<sup>-3<\/sup> kW et 70 W = 70 x 10<sup>-3<\/sup> kW<\/li>\n<li>l&#8217;\u00e9nergie consomm\u00e9e <strong>E = P x \u2206t <\/strong>= (70 x 10<sup>-3<\/sup>) x 0,5 = <strong>0,035<\/strong> kW.h<\/li>\n<\/ul>\n<p>*SI: Syst\u00e8me international<\/p>\n","protected":false},"excerpt":{"rendered":"<p>la puissance est l&#8217;\u00e9nergie consomm\u00e9e par unit\u00e9 de temps: P = E \/ \u2206t en unit\u00e9s SI*, on exprime P en watt (W), E en joule (J) et \u2206t en seconde (s) on peut exprimer P en kilowatt (kW), E en kilowatt-heure (kW.h) et \u2206t en heure (h) or 1 W = 1 x 10-3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2020,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[305,443,449,450,608,747],"persona":[],"class_list":["post-2018","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sciences-fr","tag-energie","tag-joule","tag-kilowatt","tag-kilowatt-heure","tag-puissance","tag-watt","has-thumbnail"],"_links":{"self":[{"href":"https:\/\/zatizi.com\/index.php?rest_route=\/wp\/v2\/posts\/2018","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zatizi.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zatizi.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zatizi.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zatizi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2018"}],"version-history":[{"count":0,"href":"https:\/\/zatizi.com\/index.php?rest_route=\/wp\/v2\/posts\/2018\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zatizi.com\/index.php?rest_route=\/wp\/v2\/media\/2020"}],"wp:attachment":[{"href":"https:\/\/zatizi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zatizi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2018"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zatizi.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2018"},{"taxonomy":"persona","embeddable":true,"href":"https:\/\/zatizi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fpersona&post=2018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}