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Teoria de Circuitos Elétricos 2024-2025

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Consider the circuit represented in a) where C1=9,31 nF, R1=138,8 KΩ and  I1=2,0 mA .

What is the value of Rth, in KΩ, in figure b) for which circuit b) is equivalent to circuit a)

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Consider the circuit represented in a) where C1=9,31 nF, R1=138,8 KΩ and  I1=2,0 mA .

Consider circuit b) and the values for Rth and Vth previously obtained.

It is known that the overall response of the voltage in the capacitor will be given by 

Vc(t)= A. (1-es.t )

If the capacitor is initially discharged,  what is the value for parameter A

(give your answer using 3 decimals)

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Consider the circuit represented in a) where C1=9,31 nF, R1=138,8 KΩ and I1=2,0 mA .

Consider circuit b) and the values for Rth and Vth previously obtained.

It is known that the overall response of the voltage in the capacitor will be given by 

Vc(t)= A. (1-es.t )

Please indicate the value for t, at which the transient response is nulled. 

(Please give the time in mili seconds and give your answer using 3 decimals)

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Consider the circuit represented in a) where C1=9,31 nF, R1=138,8 KΩ and  I1=2,0 mA .

What is the value of Vth, in figure b) for which circuit b) is equivalent to circuit a)

(give your answer using 3 decimals)

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Consider the circuit represented in a) where C1=9,31 nF, R1=138,8 KΩ and  R2=216,0 KΩ and V1=8,9 .

What is the value of Rth, in KΩ, in figure b) for which circuit b) is equivalent to circuit a)

(give your answer using 3 decimals)

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Consider the circuit represented in a) where C1=9,31 nF, R1=138,8 KΩ and  R2=216,0 KΩ .

Consider circuit b) and the values for Rth and Vth previously obtained.

Consider that after having been set to V1 for a long time, the voltage is set to Zero. Consider this instant as t=0.

Sould the transient response be  given by

Vctrans(t)= A. es.t

 Please give the value for parameter s

Hint: please have in mind that C1 is in nF and the resistors are in KΩ

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Consider the circuit represented in a) where C1=9,31 nF, R1=138,8 KΩ and  R2=216,0 KΩ  and v1=8,9

Consider circuit b) and the values for Rth and Vth previously obtained.

Consider that after having been set to V1 for a long time, the voltage source is set to Zero. Consider this instant as t=0.

Should the transient response be  given by

Vctrans(t)= A. es.t

 Please give the value for parameter A

Hint: please have in mind that C1 is in nF and the resistors are in KΩ

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Consider the circuit represented in a) where C1=9,31 nF, R1=138,8 KΩ and  R2=216,0 KΩ  and V1=8,9 V

What is the value of Vth, in figure b) for which circuit b) is equivalent to circuit a)

(give your answer using 3 decimals)

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Use L1=3,3 mH, R1=138,8 KΩ, R2=216,0 KΩ and I1=2,0 mA

Considering that the current source has been switched on for a "long time", what is the value of the Energy ( in  nano Joule) stored in the Inductor ?

(give your answer using 3 decimals)

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Use  L1=3,3 mH, R1=138,8 KΩ, R2=216,0 KΩ and I1=2,0 mA

Considering that the current source has been switched on for a "long time", what is the value of the current, in mA,  flowing through the inductor? 

(give your answer using 3 decimals)

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