Efeito Joule
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Hard
Niviane Oliveira
Used 2+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que representa a letra "i" na fórmula da potência elétrica?
Corrente elétrica
Energia
Variação de tempo
Diferença de potencial
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo representa a segunda lei de Ohm?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que são usados os termoresistores?
Controle de flashes de câmeras
Aplicações em vídeo
Refrigeração de alimentos
Acionamento de luzes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na fórmula da Primeira Lei de Ohm, o que representa a letra "R"?
Corrente elétrica
Resistência
Diferença de potencial
Potência
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na fórmula da Primeira Lei de Ohm, em que unidade é medida a resistência?
Volts (V)
Amperes (A)
Ohms (Ω)
Joules (J)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de medida da diferença de potencial elétrico?
Volts (V)
Amperes (A)
Ohms (Ω)
Joules (J)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que representa a letra ρ na fórmula da Segunda Lei de Ohm?
Resistividade do material
Resistência elétrica
Comprimento do condutor
Área de secção transversal
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