Eletricidade chocante
Quiz
•
Physics
•
8th - 9th Grade
•
Medium
Dennis Weaver
Used 17+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Duas esferas A e B possuem a mesma carga Q. Uma terceira esfera C, descarregada é colocada em contato com a esfera A. Depois a esfera C é separada e colocada em contado com a esfera B. Qual a carga final de C quando separada de B?
3Q/4
2Q/4
Q/4
Q/2
Q
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Duas esferas A e B eletrizadas com cargas +4q e +5q são colocadas em contato e depois afastadas. Depois, coloca-se a esfera A em contato com outra esfera,C com carga - q/2. As esferas A e C ficam com cargas de:
q
4q
8q
2q
9q/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observando as figuras que representam quatro maneiras de ligar uma lâmpada a uma pilha, utilizando fios de cobre. A lâmpada acende:
Na ligação da figura I
Em todas as ligações
Nas ligações das figuras I, II e III
Nas ligações das figuras I e III
Nas ligações das figuras I e II
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A resistência elétrica depende do comprimento, espessura e material do condutor. A figura apresenta três condutores de cobre com comprimentos e espessuras diferentes, A, B e C. Marque os condutores em ordem crescente de resistência.
A, B e C
C, A e B
B, A e C
C, B e A
B, C e A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das animações melhor representa o gerador de Faraday?
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
da fonte de energia?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
do condutor?
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