
Telecomunicaciones
Authored by Fabrizio Carlassara
Science
10th - 12th Grade
Used 9+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un medio que no sea el vacio, una onda EM viaja...
mas rapido
mas lento
da lo mismo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En una onda EM, el campo E y el B son paralelos entre si.
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si una onda impacta en una superficie plana con un angulo de 60 respecto a la normal, el angulo de reflexión es
120
30
60
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si dos ondas de la misma frecuencia se encuentran en el mismo espacio fisico
se contrarrestan entre si
se suman
no pasa nada
depende de la fase en la que se encuentren
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La impedancia característica de una linea de transmisión es un valor
Resistivo puro constante
Complejo que aumenta con el largo
Complejo constante
Resistivo puro que aumenta con el largo
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Si el ROE es infinito
El coeficiente de reflexión es infinito
El coeficiente de reflexión es uno
La linea termina en corto o circuito abierto
Toda la energía incidente se refleja
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Las ondas que pueden atravesar la atmósfera son
De muy alta frecuencia
De frecuencias bajas
De longitudes de onda chicas
De cualquier frecuencia
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