Qual o consumo mensal de um chuveiro elétrico de 5000w de potência, ligado 1 hora por dia ?
Quiz Primeira Lei de Ohm + Segunda Lei + Consumo Elétrico

Quiz
•
Science, Mathematics, Physics
•
8th Grade - University
•
Easy
Ronald Rodrigues
Used 9+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
125KW/h
150KW/h
100KW/h
500KW/h
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a resistência equivalente de um circuito em série de 4 resistores, 20Ω, 10Ω, 35Ω e 15Ω?
15Ω
10Ω
80Ω
5Ω
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a resistência equivalente do circuito paralelo com 3 resistores de 15Ω?
45Ω
15Ω
10Ω
5Ω
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a resistência equivalente do circuito misto da imagem? aproximadamente
130Ω
230Ω
113Ω
50Ω
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
calcule a resistência de um fio de cobre com resistividade de 0,0173, de area de seção transversal de 2,5mm² que percorre 150 metros de comprimento.
1,5Ω
1,038Ω
2,14Ω
3,35Ω
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Um resistor ôhmico, quando submetido a uma ddp de 40 V, é atravessado por uma corrente elétrica de intensidade 10 A. Qual a resistência elétrica deste resistor?
4
400
0,25
5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Um resistor de 10 Ω no qual flui uma corrente elétrica de 3,0 ampères. Qual a tensão que ele está submetido?
30A
30V
30W
30Ω
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