## 26. A 90 Ω resistor, a coil with 30 Ω of reactance, and a capacitor with 50 Ω of reactance are in series across a 12 V ac source. The current through the resistor is

## 27. The quality factor (Q) is the ratio of true power to apparent power.

## 28. A 24 Ω resistor, an inductor with a reactance of 120 Ω, and a capacitor with a reactance of 120 Ω are in series across a 60 V source. The circuit is at resonance. The voltage across the inductor is

## 29. X_{L} and X_{C} have opposing effects in an RLC circuit.

_{L}and X

_{C}have opposing effects in an RLC circuit.