
Eletrização
Authored by SARA OTERO
Physics
3rd Grade
Used 65+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O número 72000 pode ser escrito:
70 x 10 4
7,2 10 3
7,2 x 10 4
72 x 10-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O número 0,05 pode ser escrito:
5 x 10
5 x 10 -2
5 x 10 2
5 x 10 -1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Podemos escrever o número 0,00004:
4 x 10 -4
4 x 10 -3
4 x 10 -5
4 x 10 -6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se um corpo neutro ganhar elétrons, ele fica eletrizado positivamente
V
F
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atritando-se um bastão de vidro com uma flanela, ambos inicialmente neutros, eles se eletrizam com cargas iguais;
V
F
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Processos pelos quais um corpo qualquer pode ser eletrizado. Eletrização por:
Atrito
convecção e
indução
Atrito
contato
aterramento
Contato
aterramento
indução
Atrito
contato
Indução
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um corpo possui 6.1019 elétrons e 4.1019 prótons. Considerando a carga elementar igual a 1,6.10-19 C, este corpo está:
Carregado negativamente com uma carga igual a 2.1019 C.
Neutro.
Carregado positivamente com uma carga igual a 1,6 . 10 -19C.
Carregado negativamente com uma carga igual a 1,6 .10 -19
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