
Quiz sobre Eletricidade e Circuitos
Science
8th Grade
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Qual dos seguintes é um componente elétrico?
Resistor
Bateria
Interruptor
Todos os anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Qual é a função de um fusível em um circuito elétrico?
Aumentar a tensão
Proteger o circuito contra sobrecargas
Reduzir a corrente
Armazenar energia
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Qual é um bom condutor elétrico?
Borracha
Vidro
Cobre
Plástico
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Qual dos seguintes materiais é um isolante elétrico?
Alumínio
Água
Madeira
Ouro
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Qual é a unidade de medida do consumo de energia elétrica?
Volt
Ampere
Watt
Quilowatt-hora
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
O que é corrente elétrica?
A quantidade de energia armazenada em um circuito
O fluxo de elétrons através de um condutor
A resistência oferecida por um material
A diferença de potencial entre dois pontos
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Qual é a principal vantagem de um circuito em paralelo em relação a um circuito em série?
Menor consumo de energia
Maior resistência total
Se um componente falhar, os outros continuam funcionando
Maior corrente total
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