
Final da copa circuito
Authored by Lílian Silvestre
Physics
University
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
A corrente elétrica é definida por:
Carga dividida pela DDP
Resistência vezes a corrente elétrica
A variação de carga dividida pela variação de tempo
A variação de comprimento pela variação de tempo
2.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Como calculamos a potência elétrica total ?
P=iu
P=r.i²
P=i.E'
P=E-E'
3.
FILL IN THE BLANK QUESTION
45 sec • 5 pts
Ptotal= P? + Pdissipada
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Nessa imagem temos:
Apenas resistores.
três resistores e dois geradores
Dois geradores e um resistor
Um gerador, um receptor e um resistor
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Para acharmos a corrente elétrica que percorre esse circuito, qual lei utilizamos?
1° Lei de Ohm
Lei de Pouillet
Lei de Faraday
2° Lei de Ohm
6.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Um gerador tem sua força eletromotriz de 30v e sua resistência interna de 2 Ω. Sabendo que passa uma corrente 5 A nesse gerador, a DDP nos terminais dessa bateria é:
30 V
40 V
25 V
20 V
7.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Um resistor ôhmico é percorrido por uma corrente elétrica de intensidade 5,0 A quando submetido a uma d.d.p. de 100 V. Determine
a resistência elétrica do resistor.
5 Ω
10 Ω
20 Ω
30 Ω
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