
Teste diagnóstico - Eletricidade
Authored by Joaquim Moita
Science
10th Grade
Used 6+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de medida da tensão no SI?
Ampère (A)
Volt (V)
Watt (W)
Ohm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de medida da intensidade de corrente no SI?
Ampère (A)
Volt (V)
Watt (W)
Ohm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A corrente elétrica é:
O movimento desordenado dos eletrões através de um fio condutor.
O movimento ordenado dos eletrões através de um fio condutor.
O movimento ordenado dos átomos através de um fio condutor.
Nenhuma das opções anteriores está correta.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A resistência elétrica de um material é a:
Rigidez desse material.
Maior ou menor dificuldade que esse material oferece à passagem da tensão elétrica.
Maior ou menor dificuldade que esse material oferece à passagem da corrente elétrica.
Nenhuma das respostas anteriores está correta.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
13,8 kV é o mesmo que:
13800 V
1380 V
13,8 V
138 V
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
23 mA é o mesmo que:
0,023 A
230 A
0,23 A
2,3 kA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Num circuito resistivo puro, a expressão da Lei de Ohm é:
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