
Eletricidade e Magnetismo - RECUPERAÇÃO
Quiz
•
Other
•
12th Grade
•
Practice Problem
•
Medium
ANTONIO SANTOS
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a potência dissipada em um resistor de 10 ohms quando uma corrente de 2 A passa por ele?
20 W
40 W
10 W
5 W
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um circuito em série, como a resistência total é calculada?
A soma das resistências individuais
O produto das resistências individuais
A média das resistências individuais
A diferença das resistências individuais
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para calcular o consumo de energia elétrica em kWh?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de medida do campo magnético?
Tesla (T)
Ampere (A)
Volt (V)
Ohm (Ω)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a resistência de um circuito é dobrada, o que acontece com a corrente, assumindo que a tensão permanece constante?
A corrente dobra
A corrente é reduzida pela metade
A corrente permanece a mesma
A corrente triplica
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a potência dissipada em um resistor de 5 ohms quando uma tensão de 10 V é aplicada?
2 W
20 W
10 W
5 W
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