Quelqu'un peut m'aider stp
Calculer l'énergie que consomme une ampoule de 65W pendant une durée de 3h15 minutes

By: USER2568
26 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Quelqu'un peut m'aider stp
Calculer l'énergie que consomme une ampoule de 65W pendant une durée de 3h15 minutes
Asked by:
120 Viewed 120 Answers

Answer (120)

Best Answer
(205)
Bonjour,

Rappel formule :
E = P x t

15 : 60 = 0,25 donc 3 h 15 = 3,25 h

Donc :
E = 65 x 3,25
E = 211,25 Wh
Answered on 26 Agustus 2025

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