Question: 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

A series circuit has an impedance of 60.0 Ω 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?

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