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A series RCL circuit contains only a capacitor (C = 12.2 μF), an inductor (L =...

A series RCL circuit contains only a capacitor (C = 12.2 μF), an inductor (L = 5.28 mH), and a generator (peak voltage = 68.5 V, frequency = 5.60 x 103 Hz). When t = 0 s, the instantaneous value of the voltage is zero, and it rises to a maximum one-quarter of a period later. (a) Find the instantaneous value of the voltage across the capacitor/inductor combination when t = 7.20 x 10-4 s. (b) What is the instantaneous value of the current when t = 7.20 x 10-4 s? Be sure to include the plus and minus signs in the answers if applicable. (Hint: The instantaneous values of the voltage and current are the vertical components of the voltage and current phasors, respectively.) Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise.

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