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Q5) In the series RLC of the figure, the switch is closed att and the circuit is initially relaxed, Determine the current iſt

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52 ils) + Vols) 20 S 2 S 52 2 S = 2 S Sc 9 Convert all in S- domain Z = SL = Sx2 = Zc = = stois To find 1(s) Apply KUL in looto find Now Whether it is critically dampedoven damped , OY Un der damped. characteristic equation Ś ? +25 +1 = Find the root

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