
Examen Virtual
Authored by Diana Gomez
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University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Con respecto a la tabla de resistencias ¿Cuál es el color que tiene una mayor tolerancia?
Rojo
Dorado
Gris
Plata
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
A mayor longitud de un conductor _________ resistencia.
Igual
Similar
Menor
Mayor
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Dónde se produce la electricidad en un circuito?
Conductor
Resistencia
Generador
Ninguna de las anteriores
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué ley se utiliza para relacionar la corriente, voltaje y resistencia en un circuito eléctrico?
Ley de Kirchhoff
Ley de Faraday
Ley de Joule
Ley de Ohm
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué sucede con la corriente a través de una resistencia cuando se aumenta el voltaje, manteniendo la resistencia constante?
Disminuye
Aumenta
Permanece constante
Se vuelve cero
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué técnica se utiliza para mejorar el factor de potencia en un sistema de energía eléctrica?
Adición de condensadores para compensar la reactancia inductiva.
Uso de transformadores para aumentar la corriente.
Adición de resistencias para equilibrar la reactancia.
Uso de rectificadores para convertir AC a DC.
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué sucede cuando dos cargas eléctricas de igual signo se acercan entre sí?
Se atraen
Se repelen
No interactúan
Se neutralizan
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