
Circuiti in CA
Authored by Ilaria Evangelisti
Physics
12th Grade
Used 9+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In un circuito in corrente alternata il valore della corrente efficace è 5,00 A. La corrente media in ogni ciclo è:
7,07 A
5 A
3,54 A
0
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
La rete elettrica che entra nelle nostre case usa una tensione efficace di 230 V. Qual è la relativa tensione di picco?
163 V
230 V
325V
480 V
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Se il valore efficace della corrente in un circuito è 10,0 A, la corrente di picco è:
7,07 A
5 A
20 A
14,1 A
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
6500 W
5000 W
4600W
520 W
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Se, in un circuito RLC in corrente alternata, il valore di picco della tensione è V e quello della corrente è I, la potenza media rilasciata nell’induttanza in ogni ciclo è:
0
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Un circuito RLC alimentato con una tensione alternata di pulsazione ω ha una reattanza totale X. Se la pulsazione raddoppia, la reattanza diventa:
nessuna delle risposte è corretta
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In un circuito RLC quando viene raddoppiata la frequenza:
Raddoppia la reattanza induttiva
Raddoppia la reattanza capacitiva
Raddoppia la resistenza
Raddoppia l'impedenza
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