DivisorTensãoCorrente→LucianoLindoso

DivisorTensãoCorrente→LucianoLindoso

2nd Grade

10 Qs

quiz-placeholder

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DivisorTensãoCorrente→LucianoLindoso

DivisorTensãoCorrente→LucianoLindoso

Assessment

Quiz

Physics, Science

2nd Grade

Hard

Created by

Luciano LINDOSO

Used 2+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Identifique as equações para calcular a corrente i do circuito da figura

i=VBReq, onde VB tensa~o da bateriai=\frac{VB}{Req},\ onde\ VB→\ tensão\ da\ bateria
Req→ resistência equivalente da associação série R1 em série com R2

 i=V BR1i=\frac{V\ B}{R1} 

 i=VR1R1i=\frac{VR1}{R1} 

i= VR2R2i=\ \frac{VR2}{R2}

i=R1R2VBi=\frac{R1\cdot R2}{VB}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Sabendo que a corrente i do circuito da figura é VR1R1=VBR1+R2\frac{VR1}{R1}=\frac{VB}{R1+R2} , multiplicando o numerador dos dois membros por R1 resulta em:

 VR1=VBR2R1+R2VR1=\frac{VB\cdot R2}{R1+R2} 

 VR1=VR2VR1=VR2  

 VR1= VBR1R1+R2VR1=\ \frac{VB\cdot R1}{R1+R2} 

 VR1= VBR2VR1=\ \frac{VB}{R2} 

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Considerando que VB= 40V, R1=30Ω e R2=10Ω. Calcule VR1

12V

40V

30V

40V

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Para o circuito da figura, qual a resistência equivalente:

 Req=R1+R2Req=R1+R2  

 Req= R1R2R1+R2Req=\ \frac{R1\cdot R2}{R1+R2}  

 Req= R1+R2R1R2Req=\ \frac{R1+R2}{R1\cdot R2}  

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Para o circuito da figura quais as equações  da corrente i1 e i2

 i2=i3i1i2=i3-i1 

i1=i2+i3i1=i2+i3

 i1=VR1R1i1=\frac{VR1}{R1} 

 i2=VR2R2i2=\frac{VR2}{R2} 

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

De acordo com a figura, quais as equações  da tensão da bateria (VB)

 VB=i(R1R2R1+R2)VB=i\cdot\left(\frac{R1\cdot R2}{R1+R2}\right) 

 VB= i1R1VB=\ i1\cdot R1 

 VB=I2R2VB=I2\cdot R2 

 VB=VR2R2VB=\frac{VR2}{R2} 

 VB=VR1R1VB=\frac{VR1}{R1}  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Equações  da tensão da bateria  VB=IReqVB=I\cdot Req que é igual a:

 VB=IR1R2R1+R2VB=I\cdot\frac{R1\cdot R2}{R1+R2} 

 I1R1 = I  R1 (R2R1+R2)I1\cdot R1\ =\ I\ \cdot\ R1\ \left(\frac{R2}{R1+R2}\right) 

 I2R2=IR2(R1R1+R2)I2\cdot R2=I\cdot R2\left(\frac{R1}{R1+R2}\right) 

 VB=VR2VR1R2VB=\frac{VR2-VR1}{R2} 

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