4. Expression for I.(t) for t N 0 5. Expression for the inductor voltage for t > 0 6. Sketch I, (t), 1.(t) and V,(t) for t >0

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t=0
IL
48 V +
1H
20 2
20 Ω
10 Q
Consider the circuit above. The switch has been closed for a very long time before opening at t=0s.
Determine the following:
1. Inductor current (in amperes) right after the switch has been opened
2. Time constant of the circuit for t > 0. Express your answer in ms.
3. Expression for the inductor current for t > 0
4. Expression for I,(t) for t > 0
5. Expression for the inductor voltage for t > 0
6. Sketch Iz (t), 1.(t) and Vi (t) for t 20
Transcribed Image Text:t=0 IL 48 V + 1H 20 2 20 Ω 10 Q Consider the circuit above. The switch has been closed for a very long time before opening at t=0s. Determine the following: 1. Inductor current (in amperes) right after the switch has been opened 2. Time constant of the circuit for t > 0. Express your answer in ms. 3. Expression for the inductor current for t > 0 4. Expression for I,(t) for t > 0 5. Expression for the inductor voltage for t > 0 6. Sketch Iz (t), 1.(t) and Vi (t) for t 20
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