Revisão 8 ano - Ciências B
Quiz
•
Science
•
8th Grade
•
Hard
Mateus Griguc
Used 30+ times
FREE Resource
54 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual dos dispositivos listados é um resistor?
ferro elétrico.
pilha.
bateria.
alternador.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma bateria, inicialmente descarregada, é carregada com uma corrente de 3,2A até atingir sua carga máxima de Q = 2880 C. O tempo gasto para carregar a bateria é de
900 s
900 min
9200 s
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aplica-se uma diferença de potencial de 2V aos terminais de um resistor de 100Ω. A corrente elétrica que percorre o resistor é:
0,02 A
0,50 A
50 A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Com um multímetro realizou-se duas medidas.
Na primeira, a indicação era de 20 V e, na segunda, 40 000 Ω.
Podemos afirmar que a função do multímetro foi, respectivamente, de:
voltímetro e amperímetro
ohmímetro e voltímetro
amperímetro e ohmímetro
voltímetro e ohmímetro
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
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