Using Fig. 7.92, design a problem to help other students better understand source-free RL circuits.
 FIGURE 1.png)
The switch in the circuit in Fig. 7.90 has been closed for a long time. At t = 0, the switch is opened. Calculate i(t) for t > 0.
 figure 2.png)
 FIGURE 4.png)
 ANSWER.png)
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