A series circuit has an impedance of and a power factor of
Chapter 31, Problem 31.45(choose chapter or problem)
A series circuit has an impedance of 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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