Tension Alternative et Périodique
Quiz
•
Science
•
12th Grade
•
Practice Problem
•
Hard
zineb dahmani
Used 12+ times
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20 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quelle est la relation entre la tension maximale et la tension efficace d'une tension alternative sinusoïdale ?
Ueff = Umax / √2
Umax = Ueff x √2
Umax = Ueff / √2
Ueff = Umax x √2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quelle est la fréquence d'une tension alternative dont la période est de 30 secondes ?
0,033 Hz
1 Hz
30 Hz
50 Hz
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
un GBF génère une tension:
alternative
sinusoidale
continue
périodique
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quelle est la valeur efficace mesurée pour la tension du secteur en France ?
230 V
325 V
50 Hz
20 ms
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quelle est la période de la tension du secteur en France ?
50 Hz
20 ms
230 V
325 V
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Un oscilloscope permet de:
afficher une intensité continue
afficher une intensité alternative
afficher une tension continue
afficher une tension alternative
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
la fréquence f est égale à :
T/1
le double de la période
l'inverse de la période
1/T
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