Quelle est la loi d'Ohm ?

Diego

Quiz
•
Physics
•
1st - 5th Grade
•
Hard

Diego Bernier
FREE Resource
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
U=R/I
U=R×I
I=U/R
R=U/I
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quel est la tension efficace de cet formule ?
u(t)= 10. V2.Sin(314t+delta)
10
314
314t
10.V2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est LA LOI des nœuds présent ?
I1+I2=I3
I3+I1=I2
I2+I3=I1
popopers
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quel est la valeur de I total?
0.256A
37.25A
0.980A
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
On donne : UR efficace = 6 V ; UL efficace = 8 V.
Le déphasage de u par rapport à i est :
+53°
0°
+90°
-90°
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quand la fréquence du courant augmente, l'impédance d'un condensateur :
Augmente
Diminue
Est inchangée
Je ne sais pas
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Que vaut la puissance électrique consommée par l'ensemble des quatre résistances ? Sachant que les puissances des générateurs s’ajoutent.
2.16W
4.78W
5.4W
8.64W
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