
Legge di Ohm e Circuiti Elettrici
Quiz
•
Engineering
•
12th Grade
•
Practice Problem
•
Hard
lucia domenico
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Che cos'è la resistenza elettrica?
La resistenza elettrica è la quantità di energia consumata da un dispositivo.
La resistenza elettrica è la capacità di un materiale di opporsi al flusso di corrente elettrica.
La resistenza elettrica è la misura della tensione in un circuito.
La resistenza elettrica è la forza che spinge la corrente attraverso un circuito.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è l'unità di misura della resistenza?
Volt
Ampere
Watt
Ohm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come si calcola la resistenza totale in un circuito in serie?
R_totale = R1 - R2 - R3 - ... - Rn
R_totale = R1 + R2 + R3 + ... + Rn
R_totale = R1 / R2 / R3 / ... / Rn
R_totale = R1 * R2 * R3 * ... * Rn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la formula per la legge di Ohm?
R = V - I
V = I * R
I = V + R
V = R / I
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cosa succede alla corrente in un circuito in serie?
La corrente è zero in un circuito in serie.
La corrente è costante in un circuito in serie.
La corrente aumenta in un circuito in serie.
La corrente è variabile in un circuito in serie.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come si calcola la resistenza totale in un circuito in parallelo?
R_totale = R1 + R2 + R3 + ... + Rn
R_totale = 1 / (1/R1 + 1/R2 + 1/R3 + ... + 1/Rn)
R_totale = (R1 + R2 + R3 + ... + Rn) / n
R_totale = R1 * R2 * R3 * ... * Rn
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la relazione tra tensione, corrente e resistenza?
I = V + R
R = V - I
V = I * R
V = R / I
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