Physics
Physics, 08.11.2020 01:30, madisonbrookecallis

Exercice ó: Le disjoncteur d'un salon de coiffure alimenté en 230 V est réglé sur 35 A. Le salon comprend 6 tubes d'éclairages de 200 W, 10 lampes de 100 W et 6 sèche-cheveux de 1 600 W. Les appareils fonctionnent
en moyenne 4 heures par jour.
1 - Quelle est la puissance maximale dont dispose le salon ?
2 - Quelle est la puissance totale de l'installation électrique quand tous les appareils fonctionnent ?
3 - Pouvez-vous faire fonctionner tous les appareils en même temps ? ( justifier votre réponse)
4 - Quelle est la dépense journalière en électricité quand seulement 3 sèche-cheveux sont utilisés ? le kWh
est facturé 0,122 2 €.

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Answers: 2

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Exercice ó: Le disjoncteur d'un salon de coiffure alimenté en 230 V est réglé sur 35 A. Le salon com...

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