Q3: RL circuit (10 marks) The circuit below has been connected for a long time and all transients have dissipated. The s

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Q3 Rl Circuit 10 Marks The Circuit Below Has Been Connected For A Long Time And All Transients Have Dissipated The S 1 (44.36 KiB) Viewed 22 times

Q3: RL circuit (10 marks) The circuit below has been connected for a long time and all transients have dissipated. The switch is then opened at t = 0 seconds. (a) Draw the equivalent circuit when t < 0. (b) Draw the equivalent RL circuit when t> 0, and find its time constant. (c) Find il(t) for all time. (d) Find in(t) for all time. (e) Sketch iL(t) and in(t) on the same plot, labelling the axes and the initial points. (f) What percentage of the initial energy stored in the inductor was dissipated in the 100 resistor in the RL circuit 5ms after the switch was opened? t=0 iz(t) 202 my 120A 502 oxo 1Q 2H 40Ω< 100 ≤ir(1)