College Physics 10th Edition by Raymond Serway,Chris Vuille

Exercise 28

A series circuit contains a 3.00-H inductor, a 3.00- µ F capacitor, and a 30.0- resistor connected to a 120-V (rms) source of variable frequency. Find the power delivered to the circuit when the frequency of the source is (a) the resonance frequency, (b) one-half the resonance frequency, (c) one-fourth the resonance frequency, (d) two times the resonance frequency, and (e) four times the resonance frequency. From your calculations, can you draw a conclusion about the frequency at which the maximum power is delivered to the circuit