
Quiz sobre Eletricidade e Cargas
Authored by ANTONIO SANTOS
Physics
12th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de medida da potência elétrica no Sistema Internacional (SI)?
Joule
Watt
Volt
Coulomb
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A expressão correta para calcular a potência elétrica dissipada em um resistor é:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Duas cargas elétricas de sinais opostos são aproximadas. O que acontece entre elas?
Elas se repelem
Elas se atraem
Não ocorre interação
Elas se neutralizam instantaneamente
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas representa corretamente a unidade de carga elétrica no SI?
Ampère
Coulomb
Newton
Watt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se uma lâmpada de 60 W opera em uma tensão de 120 V, qual é a corrente que passa por ela?
0,5 A
2 A
1 A
0,25 A
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que acontece com o campo elétrico se a distância entre duas cargas pontuais for duplicada?
O campo dobra
O campo quadruplica
O campo reduz à metade
O campo reduz a um quarto
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