
Quiz sur la chute de tension
Quiz
•
Engineering
•
2nd Grade
•
Hard
Matar Diallo
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la formule générale de la chute de tension ΔU dans une ligne monophasée ?
ΔU = R × I × √3
ΔU = R × I
ΔU = 2 × R × I
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la formule pour une chute de tension en triphasé équilibré ?
ΔU = √3 × R × I
ΔU = 3 × R × I
ΔU = R × I
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pour quelle grandeur exprime-t-on généralement la chute de tension maximale admissible ?
En ohms
En pourcentage de la tension nominale
En ampères
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la chute de tension maximale admissible en France pour un circuit terminal ?
5 %
3 %
10 %
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Que représente le terme ρ (rho) dans le calcul de la chute de tension ?
La permittivité
La résistivité du matériau
La densité de courant
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est l'unité de la résistivité ρ ?
Ohm
Ohm/mètre
Ohm × mètre
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la chute de tension en volts pour une ligne monophasée de 50 m, cuivre (ρ = 0,0175 Ω·mm²/m), 2,5 mm², avec 16 A ?
5,6 V
3,2 V
8,0 V
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