trienbui79 trienbui79 20-05-2024 Engineering Answered The switch in the given circuit has been closed a long time before suddenly being thrown open at t = 0. Calculate iL at t = 484 μs. R1 = 99 Ω, R2 = 47 Ω and R3 = 100 Ω V1 = 9 V and L1 = 45 mH