La loi des nœuds permet d'obtenir une relation qui lie :

electricité

Quiz
•
Frédéric frederic64
•
Physics
•
1st Grade
•
6 plays
•
Hard
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
des tensions.
des intensités.
des résistances.
aucune des réponses ci-dessus.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Que vaut la tension U1 ?
- 18 V
- 6 V
6 V
18 V
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En regardant le schéma , il est possible d'écrire :
I1 + I2 = I3 + I4
I1 + I3 = I2 + I4
I1 + I2 + I3 + I4 = 0
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Que vaut l'intensité du courant i4 ?
300 mA
420 mA
480 mA
840 mA
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Que vaut la tension U3 ?
- 10,8 V
- 1,2 V
1,2 V
10,8 V
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Déterminer la valeur de la résistance équivalente à cette association, sachant que R1=R2=R3= 200 Ω
600 Ω
300 Ω
200 Ω
150 Ω
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Déterminer l'intensité du courant I2 sachant que I= 5 A;
R1= 500 Ω; R2= 100 Ω et R3= 100 Ω
2,27 A
0,71 A
0,45 A
5 A
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