
ROB A25 M1 PRIMEIROS PASSOS -Circuitos Elétricos e LEDs

Quiz
•
Other
•
9th Grade
•
Hard
Marcelo Guilherme Kühl
Used 2+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de medida da resistência elétrica?
Volt
Ohm
Ampère
Watt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se você ligar 10 LEDs em paralelo, cada um com seu próprio resistor, qual é a principal vantagem dessa configuração?
Todos os LEDs compartilham a mesma corrente.
Se um LED queimar, os outros continuam funcionando.
Todos os LEDs apagam juntos se um resistor queimar.
A tensão total é dividida igualmente entre os LEDs.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula correta da Lei de Ohm?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um resistor possui as faixas de cores: marrom, preto, vermelho e dourado. Qual é o valor da sua resistência?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um circuito com 10 LEDs e 10 resistores, qual é a principal função dos resistores?
Aumentar a corrente nos LEDs
Limitar a corrente que passa por cada LED
Diminuir a tensão total do circuito
Servir apenas como decoração
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vermelho
Laranja
Marrom
Roxo
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