Examen Tema 4 Electrònica
Authored by Rebeca Revert Donate
Instructional Technology
4th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El símbol de la figura és de:
Una LDR
Una resistència fixa
Una NTC
Un condensador
Una PTC
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quina de les següents es correspon amb una resistència que depèn de la llum:
LDR
NTC
VDR
PTC
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Com s’anomena el dispositiu capaç de generar i mantindre una diferencia de potencial (si hi ha diferencia de potencial pot haver-hi corrent elèctric):
Potenciòmetre
Reostato
Generador
Amplificador
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
En què unitat es mesura la resistència?
Ohms
Ampers
Coulombs
Farads
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La principal funció d’un condensador és:
Emmagatzemar càrrega
Servir com interruptor
Oferir resistència al pas del corrent elèctric
Servir com amplificador
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El símbol de la figura és de:
Una LDR
Una resistència fixa
Una NTC
Un potenciòmetre
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El símbol de la figura és de:
Una LDR
Una resistència fixa
Un condensador
Un potenciòmetre
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