Articles
Register
Sign In
Search
ghefva
@ghefva
January 2021
1
81
Report
bonjour pouvais vous m aidez ??
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms and service
You must agree before submitting.
Send
Lista de comentários
Quantum
Verified answer
Bonjour,
Pour Calculer une résistance, on utilise la loi d'ohm : U = RI <=> R = U/I
On connait déjà U=220V
Dans l'énoncé, on nous donne également quelque formules :
E = Pt
P = UI
donc E = U × I × t <=> I = E/(U×t)
d'où R = U/(E/Ut) = U²t/E
Application de la formule :
R = 220² × 0,75 / 1125 ohms
1 votes
Thanks 2
saturne5
Quel génie, ce Génie !
More Questions From This User
See All
ghefva
January 2021 | 0 Respostas
Responda
×
Report "bonjour pouvais vous m aidez ??.... Pergunta de ideia de ghefva"
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
Sobre nós
Política de Privacidade
Termos e Condições
direito autoral
Contate-Nos
Helpful Social
Get monthly updates
Submit
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
Bonjour,Pour Calculer une résistance, on utilise la loi d'ohm : U = RI <=> R = U/I
On connait déjà U=220V
Dans l'énoncé, on nous donne également quelque formules :
E = Pt
P = UI
donc E = U × I × t <=> I = E/(U×t)
d'où R = U/(E/Ut) = U²t/E
Application de la formule :
R = 220² × 0,75 / 1125 ohms