Magnituds i Connexions elèctriques
Quiz
•
Instructional Technology
•
12th Grade
•
Practice Problem
•
Medium
DANIEL PADROS BARBERO
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina és la unitat de mesura de la resistència elèctrica?
Volt (V)
Amper (A)
Ohm (Ω)
Watt (W)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Segons la llei d'Ohm, quina és la fórmula correcta per calcular la tensió (V)?
V = I · R
V = R / I
V = I / R
V = P / I
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina magnitud es mesura en volts (V)?
La potència
La resistència
El corrent
La tensió
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un circuit amb dos resistors en sèrie té una resistència total de 20 Ω i un corrent de 2 A. Quina és la tensió aplicada al circuit?
10 V
20 V
40 V
80 V
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina de les següents magnituds es mesura en watts (W)?
Corrent
Potència
Resistència
Tensió
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tenim un generador connectat en sèrie amb tres resistors, com es comporta el corrent al llarg del circuit?
El corrent augmenta
El corrent es manté constant
El corrent disminueix
El corrent varia segons el resistor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quina és la fórmula per calcular la potència elèctrica (P)?
P = I / V
P = V / I
P = I · V
P = V² / I
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