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[[Fichier:la puissance.png |200 px|Titre de la définition graphique 1]]<!-- 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[[Fichier:Definition-graphique-concept2.png |200 px|Titre de la définition graphique 2]]<!-- Remplacer et adapter le contenu -->
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[[Fichier:http://pccollege.fr/wp-content/uploads/2012/02/exppuissance.jpg |200 px|La puissance]]<!-- Remplacer et adapter le contenu -->
[[Fichier:Definition-graphique-concept3.png |200 px|Titre de la définition graphique 3]]<!-- Remplacer et adapter le contenu -->
 
  
 
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Puissance (Français) / Power (Anglais) / القدرة الكهربائية (Arabe)

Puce-didaquest.png Définition

  • Domaine, Discipline, Thématique :
   Catégorie: Physique  

Définition écrite

  • Définition:

La puissance correspond à l’énergie échangée (reçue ou donnée) pendant une seconde. Notée par P exprimer en Watt sa mesure peut être fait directement à l’aide d’un Wattmètre en pratique, sinon on peut calculer la puissance par la relation P=U*I (pour un courant continue)



Définition graphique

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Puce-didaquest.png Erreurs ou confusions éventuelles

  • Puissance et force et energie

Puce-didaquest.png Questions possibles

  • Questions possibles:
Calculer La puissance à partir de U et I
Calculer U à partir de P et I
Calculer I à partir de U et P
Lire une puissance nominale
Déterminer le rendement et choisir un appareil à partir de la valeur de P 
Mesurer la puissance avec un wattmètre.

Puce-didaquest.png Liaisons enseignements et programmes



Puce-didaquest.png Aides, Astuces,...

Mesurer la grandeur P avec un wattmètre, avec un voltmètre et ampèremètre 

Dresser une courbe de U=f(I)

= Puce-didaquest.png Difficultés liées à son enseignement =

  • interpréter la notion de puissance de manière pratique sans recours à la théorie

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