
QUIZ SENSOR DE LUZ
Quiz
•
Engineering
•
6th - 8th Grade
•
Practice Problem
•
Medium
LUIS TAMAYO
Used 34+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
¿Qué es un sensor?
Un dispositivo que produce electricidad.
Un dispositivo que convierte una cantidad detectada en una señal eléctrica o digital.
Un dispositivo que almacena energía.
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
¿Qué valor retornaría un sensor de luz (LDR) en un ambiente muy oscuro?
Cerca de 0
Cerca de 1023
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
¿Qué función se utiliza para leer el valor de un sensor analógico en Arduino?
digitalRead()
analogRead()
Serial.begin(9600)
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
¿Qué unidad de medida se utiliza para expresar la resistencia en un circuito eléctrico?
Voltios (V)
Ohmios (Ω)
Amperios (A)
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
¿Qué sucede cuando la luz aumenta sobre un fotoresistor (LDR)?
La resistencia del LDR aumenta.
La resistencia del LDR disminuye.
La resistencia del LDR no cambia.
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
¿Cuál es la función del Serial.begin(9600); en un programa de Arduino?
Inicia la lectura de valores digitales.
Configura la velocidad del motor.
Inicializa la comunicación serial a una velocidad de 9600 baudios.
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
¿Por qué es necesario invertir los valores leídos de un sensor de luz en el ejemplo proporcionado?
Porque el sensor no funciona correctamente.
Porque el código requiere un valor negativo.
Para que los valores altos indiquen mucha luz y los valores bajos indiquen poca luz.
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