Consider the given circuit below and answer the following questions...

Transcribed Text

Consider the given circuit below and answer the following questions: 20 2H Iin(t) Vin(t) 4 Q2 0.5F 4 02 - Q1. a. [20 points] Draw the circuit in s-domain and find the total impedance Zin(s) seen by the voltage source: Q1. b. [20 points] Find the lin(s),ifVin(t)=2e-4u(t) (V): = Consider the given circuit below and answer the following questions, where R1=80, R2=20, R3=40, C=1F, L1=1H, L2=2H, Vin (t) = 4u(-t) + 3u(t)[V], and switch (S) has been closed for a long time, but at t=0 sec. the switch (S) has been opened: S R1 @t=0 sec. R2 R3 + Vc (t) + Vin(t) C L1 L2 Q2. a. [20 points] Draw the circuit for the time t<0 and find the initial conditions for the inductors and the capacitor: Q2. b. [20 points] Draw the circuit for the time t>0 in S-domain and find the voltage Vc(s): Q3. b. [10 points] Why the initial conditions have to be considered and modeled for the components mentioned in Q3. a. Q3. a. [10 points] For what components of the electrical circuit the initial conditions have to be considered and modeled. Give examples for that.

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