

Circuitos com LEDs e Protoboards
Interactive Video
•
Science, Physics, Computers
•
5th - 8th Grade
•
Practice Problem
•
Easy
Ethan Morris
Used 1+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal vantagem de usar uma protoboard para montar circuitos?
Melhorar a estética do projeto
Aumentar a complexidade do circuito
Evitar desperdício de componentes
Reduzir o tempo de montagem
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais componentes são necessários para acender dois LEDs em uma protoboard?
LEDs, capacitores e uma bateria
Somente resistores e uma bateria
LEDs, resistores e uma bateria
Apenas LEDs e uma bateria
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como os terminais de um LED são identificados?
Anodo é positivo e catodo é negativo
Ambos são negativos
Ambos são positivos
Anodo é negativo e catodo é positivo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a cor padrão do fio para conexões positivas?
Verde
Azul
Preto
Vermelho
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a função dos resistores no circuito com LEDs?
Reduzir a tensão
Aumentar a corrente
Reduzir a corrente
Aumentar a tensão
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece se o fio negativo não estiver conectado corretamente?
Os LEDs acenderão mais fracos
O circuito funcionará normalmente
Os LEDs acenderão mais fortes
O circuito não funcionará
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que deve ser feito se um LED não acender durante a simulação?
Verificar as conexões dos fios
Trocar o LED por um novo
Aumentar a tensão da bateria
Remover todos os resistores
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