RL transient practice problems
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Read the RL-transient class notes.
For the circuit shown,
- R1 = 4.7 kΩ
- R2 = 6.8 kΩ
- R3 = 2.7 kΩ
- L = 1.5 H

For the RL circuit, the source has been at an initial voltage value of Vi = 0 V for a long time.
At t = 0, the source voltage abruptly jumps to Vf = 20 V.
Determine the expression for the inductor current as a function of time, for t > 0.