
Física - Potência Elétrica
Authored by GUILHERME NETO
Physics
3rd Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece com a potência elétrica se a tensão aumenta, mantendo a corrente constante?
A) A potência aumenta.
B) A potência diminui.
C) A potência permanece a mesma.
D) A potência se torna zero.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a corrente em um circuito é 2A e a tensão é 5V, qual é a potência elétrica?
10W
5W
2W
1W
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o nome do estado mencionado na imagem?
São Paulo
Paraná
Minas Gerais
Rio de Janeiro
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a classificação de eficiência energética mais baixa?
A+++
A
B
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que representa a letra 'P' nas equações de potência elétrica?
Corrente
Resistência
Potência
Tensão
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes é uma forma equivalente de calcular a potência elétrica?
P = U * i
P = U / i
P = U + i
P = U - i
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a tensão (em volts) no sistema elétrico mostrado?
3V
6V
9V
12V
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