Problem 9-AC phase shifts: The voltage and current waveforms shown below were measured across either a series RC or series RL load. First shown peak of i(t) at 30 us and of v(t) at 190 µs, with exactly three periods shown. MWM a. Is it RC or RL, and why? b. Find the value of R, and the value of either C or L. Noten & 4-10
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