Question

Q4: The switch in the has been open a long time before closing at t=0. Find iz(t) for t> 0. t = 0 2.5 k22 iL 62.51 A151 Windows Go to Setthet acteate 2.5 UF 9 mA

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Answer 1

To find the initial conditions at to inductor as shoot cimit Capacitor gisk as open Circuit bna. Tvelo) Oisu Iloly 20)=-15 25 V16)-ov for to the Cinvit is 2.5k Orehov @su 9MA & 62.54 -2.su Em D converting into s-domain we have V. 2.5k 15v & Lillo) ㅗ '= 0.375 7(2.54) 562.5 Kel V-0:375 + 1x10?s + SV +15. 4 62.55 (2.5k)s. qm= v(0.016+0.251x10 +0.45X103)+ 6x102_ox rojs” 3600 = v(5+803 -) va 3606 volls. (stroje IL (s) = V-0.375 3600 62.55 162.5)$(5+805€ 62.55. 0.375 - 57-6 Ils) = 0.375 69.55 s(5+80) 0.009. om. A B + S s+80 stoj? =) A = 57.6 (60) BN-AR-om CE-0.722 [(s)= am - 9m 72om -6m s Stro S+80) 2 3 S 720 mnt -2 Siso (Stro} -Sot 3-9 e 8ot toote III) = WH ma SSScanned with Camscape