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RL Transient Response question

t = 0 15 k 2 250 mH Given: The switch, which has been closed for a very long time, is opened at t = 0. Note that a current-co

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For tco Switch is closed and inductor is Short Circuit Iskr W12 - 1b. 1210mA $25k 316 2 Esoka 10=0 3670 : parallel to short cFor tro Switch is open and inductor is short circuit Va Iskra 210mA &askan remove sok Quant pour since pasall to remove sok Sor I at tao 1 Pea Isk 25k sok 316 (1) Raval eq I kol at node n I =-3ibt 7 I sok . 40k Ib I= -31-dot) + sovet for Is mok* forTilt) = {{@Plio-iw) é tit 120 iclt) = 52 5+ (210-525) é 380-5 tzo 6 = 525-315 e 3x105 tom at t = 20.45 ; (2o.us) = 525-315 20

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