
PRÁCTICA EPT S34-3°A
Authored by CARLOS TORRES
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
1.- ¿Qué es un diodo LED?
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
2.- ¿Cuál es el voltaje de funcionamiento aproximado de un LED rojo?
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
3.- ¿Por qué es necesario colocar una resistencia en serie con un LED en un circuito?
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
4.- ¿Qué colores de LED requieren un mayor voltaje para funcionar?
5.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
5.- Tienes una fuente de 6V y un LED rojo que tiene un voltaje de funcionamiento de 2V. Necesitas conectar el LED a la fuente y mantener una corriente de 15 mA. · Calcula el valor aproximado de la resistencia que debes colocar con el LED.
6.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
6.- Estás trabajando en un proyecto de iluminación con un LED azul. La fuente de alimentación es de 12V y el LED azul tiene un voltaje de funcionamiento de 3.3V. La corriente que deseas es de 20 mA. · ¿Cuál debe ser la resistencia que conectas con el LED azul?
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