
ENERGIA ELETTRICA
Authored by FRANCESCO GRAVANTI
Instructional Technology
1st Grade
Used 32+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
L’energia elettrica è un’energia secondaria perché è ottenuta dalla trasformazione di altre forme di energia
VERO
FALSO
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
L’alternatore e la dinamo sono:
Generatori di corrente
Trasformatori di corrente
Utilizzatori di corrente.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un trasformatore è composto da un nucleo di ferro dolce su cui sono realizzati due avvolgimenti: …
VERO
FALSO
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
L’energia elettrica non può più essere ritrasformata in energia termica o meccanica
VERO
FALSO
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Il 30 – 40% dell’energia primaria viene trasformato in energia elettrica
VERO
FALSO
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La pila è un generatore di:
Corrente continua;
Corrente alternata;
Corrente continua e tensione alternata.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Il funzionamento dell’alternatore e della dinamo si basano:
Su fenomeni elettrostatici
Sul fenomeno dell'induzione elettromagnetica
Su trasformazioni elettrochimiche
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