CH. 31

14.

Part A An L-R-C series circuit is connected to a 120 Hz ac source that has Vrms = 89.0 V. The circuit has a resistance of 77.0 S and an impedance at this What average power is delivered to the circuit by the source? frequency of 109 0. Express your answer with the appropriate units. ? Pay = 44 W Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remainingPart A You want the current amplitude through a 0.450 mH inductor (part of the circuitry for a radio receiver) to be 1.50 m A when a sinusoidal voltage with an amplitude What frequency is required? of 13.0 V is applied across the inductor. Express your answer with the appropriate units. ? f = 1.63 . 106 Hz Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining