
Eficiência dos Aparelhos Domésticos

Passage
•
Physics
•
10th Grade
•
Hard
GUILHERME NETO
Used 1+ times
FREE Resource
33 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As usinas geradoras de energia elétrica transmitem a eletricidade em alta tensão para reduzir as perdas pelo longo caminho a percorrer. Nos municípios, essa tensão é reduzida para 13800 V e finalmente reduzida para uso residencial. Em qual tensão elétrica os aparelhos domésticos são mais eficientes?
110 V
220 V
13800 V
Depende da potência
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são as tensões elétricas comuns nas residências?
110 V e 220 V
127 V e 227 V
100 V e 200 V
120 V e 230 V
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como é conhecida a tensão de 127 V?
100 V
110 V
120 V
130 V
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como é conhecida a tensão de 227 V?
200 V
210 V
220 V
230 V
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a variação aceitável de tensão para 110 V?
100 V a 127 V
110 V a 130 V
90 V a 120 V
105 V a 125 V
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a variação aceitável de tensão para 220 V?
190 V a 230 V
200 V a 227 V
210 V a 240 V
200 V a 220 V
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que gera quedas de tensão nos cabos condutores?
A) A resistência elétrica dos cabos
B) A corrente elétrica dos cabos
C) A voltagem dos cabos
D) A potência dos cabos
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