B. For the circuit shown in Fig. 2.2b, the current i(1)= 6e-2' mA for t>0 and i¡(0) =4 mA. Find (i) vi(t) and vz(t) for t20 (ii) iz(0). (iii) the energy delivered by the source at t = 0.5 sec. 10 mH 30 mH 20 mH Fig. 2.2b
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