CH. 31

18.

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. ? Pav = 44 W Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remainingPart A You want the current amplitude through a 0.450 mHI 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. ? 1.63 . 106 HZ Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remainingPart C What is the maximum energy stored in the capacitor? Express your answer with the appropriate units. ? UC= Value Units Submit Request AnswerPart A An L-R-C series circuit has R = 80.0 0, L = 0.800 H, and C = 2.00*10-4 F. The ac source has voltage What is the maximum energy stored in the inductor? amplitude 70.0 V and angular frequency 120 rad/s. Express your answer with the appropriate units. ? UL = 0 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining