Repaso circuitos en corriente alterna
Quiz
•
Physics
•
University
•
Practice Problem
•
Hard
Mauricio Pallares
Used 2+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En un circuito de CA, la impedancia se mide en:
Ohm (Ω)
Siemens (S)
Faradios (F)
Hertz (Hz)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un fasor representa una señal sinusoidal en términos de:
Frecuencia y resistencia
Potencia y fase
Magnitud y ángulo de fase
Reactancia y capacitancia
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El factor de potencia en un circuito de CA es igual a:
cos θ, donde θ es el ángulo entre voltaje y corriente
sin θ, donde θ es el ángulo entre voltaje y corriente
La relación entre potencia activa y reactiva
La relación entre voltaje máximo y RMS
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La impedancia es puramente resistiva
La corriente es mínima
La potencia reactiva es máxima
El factor de potencia es cero
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El propósito de un fusible en un circuito eléctrico es:
Mejorar el factor de potencia
Proteger contra sobrecorrientes
Reducir la reactancia inductiva
Aumentar la eficiencia energética
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Es igual a la potencia activa
Es máxima
Es cero
Es negativa
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
El valor RMS de una onda sinusoidal es igual a:
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