(Solution) - A series circuit has an impedance of 60 0 and a power fa -(2025 Original AI-Free Solution)

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A series circuit has an impedance of 60.0 ? and a power factor of 0.720 at 50.0 Hz. The source voltage lags the current.
(a) What circuit element, an inductor or a capacitor, should be placed in series with the circuit to raise its power factor?
(b) What size element will raise the power factor to unity?