
Questões sobre Eletricidade
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Other
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Professional Development
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Practice Problem
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Medium
Diego Fernandes de Araujo
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual grandeza é responsável pela pressão que move os elétrons?
Corrente
Potência
Tensão
Resistência
Energia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A corrente elétrica representa:
A) A força dos elétrons
B) O calor dos fios
C) O fluxo de elétrons
D) O consumo de energia
E) A potência
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um equipamento de 600W exige fonte de pelo menos quanto, com 50% de segurança?
600W
750W
950W
700W
900W
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece se a corrente for muito alta?
Nada
Sistema resfria
Componentes podem superaquecer
Economia de energia
Tensão aumenta
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a resistência for muito alta, o que acontece com a corrente?
A) Aumenta muito
B) Diminui
C) Explode
D) Nada
E) Duplica
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Energia consumida em 1h por um aparelho de 1000W é:
1 kWh
100 kWh
0,1 kWh
10 kWh
1000 kWh
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que indica a unidade "Watt"?
Tensão
Corrente
Potência
Resistência
Tempo
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