The following DC chopper is feeding and R-L load, V = 220V, R = 5?, L = 7.5mH, f = KHz, and E = 0. If the duty ratio K = 0.4, calculate a) the instantaneous minimum load current $I_1$, b) the instantaneous maximum load current $I_2$, c) the ripple peak to peak current, ?I and d) the maximum ripple current.
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