Para soldar se utiliza un alambre metálico, ¿Cuál es el metal más presente?

Cuestionario Robótica

Quiz
•
others
•
12th Grade
•
Easy
Pedro Garrachon
Used 1+ times
FREE Resource
31 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hierro.
Estaño (correcta)
Plomo
Cobre
Plata
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la unidad básica de resistencia eléctrica en el sistema internacional?
Voltio
Ohmio (correcta)
Amperio
Vatios
Coulombio
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de batería suele utilizarse en dispositivos electrónicos portátiles?
Plomo-ácido
Níquel-cadmio
Litio-ion (correcta)
Zinc-carbono
Níquel-hidruro metálico
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué sucede si se conecta un diodo LED con una polaridad inversa?
No emite luz (correcta)
Se enciende pero con menor intensidad
Explota
Cambia de color
Emite luz intermitente
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué fórmula se utiliza para calcular la resistencia según la Ley de Ohm?
R = V/I (correcta)
R = I/V
R = V x I
R = V²/I
R = I²/V
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de corriente utiliza generalmente un motor pequeño?
Corriente alterna
Corriente continua (correcta)
Corriente trifásica
Corriente pulsante
Corriente inductiva
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la función principal de una resistencia en un circuito?
Almacenar energía
Reducir la corriente (correcta)
Aumentar el voltaje
Generar luz
Medir la capacidad
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