
Eletricidade e Instrumentação 3
Authored by Rafa Gomes
Computers
2nd Grade
Used 2+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A unidade de medida da resistência elétrica é:
Volt
Ampère
Ohm
Watt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Lei de Ohm relaciona:
Corrente, potência e resistência
Tensão, corrente e resistência
Corrente, resistência e capacitância
Tensão, potência e indutância
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quando a resistência em um circuito aumenta, mantendo a tensão constante, a corrente:
A) Aumenta
B) Diminui
C) Permanece constante
D) Triplica
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função principal do capacitor é:
Armazenar carga elétrica
Ampliar corrente elétrica
Gerar calor
Reduzir tensão
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o instrumento utilizado para medir a tensão elétrica em um circuito?
Wattímetro
Multímetro
Amperímetro
Alicate de corte
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Lei de Kirchhoff das Correntes estabelece que:
A) A soma das tensões em um nó é zero
B) A soma das potências em um nó é máxima
C) A soma das correntes que entram em um nó é igual à soma das que saem
D) A corrente é diretamente proporcional à resistência
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um resistor com as cores marrom, preto e vermelho tem valor de:
1kΩ
100Ω
10Ω
1,2kΩ
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