An LC circuit consists of a 2.95 mH inductor and a 5.05 pF capacitor. (a) Find its impedance at 63.6 Hz. (b) Find its impedance at 11.5 kHz. (c) Now a 39.6 A resistor is added in series with the inductor and capacitor. Find the impedance of this RLC circuit at 63.6 Hz and 11.5 kHz. At 63.6 Hz At 11.5 kHz (d) Compare the values of Z in parts (a) and (b) with those found in part (c), in which there was also a resistor. Why are they similar? (Select all that apply.) O At high frequency, the inductor dominates. O At low frequency, the capacitor dominates. O At high frequency, the capacitor dominates. O The resistor makes little contribution to the total impedance. O At low frequency, the inductor dominates.

An LC circuit consists of a 2.95 mH inductor and a 5.05 pF capacitor. (a) Find its impedance at 63.6 Hz. (b) Find its impedance at 11.5 kHz. (c) Now a 39.6 A resistor is added in series with the inductor and capacitor. Find the impedance of this RLC circuit at 63.6 Hz and 11.5 kHz. At 63.6 Hz At 11.5 kHz (d) Compare the values of Z in parts (a) and (b) with those found in part (c), in which there was also a resistor. Why are they similar? (Select all that apply.) O At high frequency, the inductor dominates. O At low frequency, the capacitor dominates. O At high frequency, the capacitor dominates. O The resistor makes little contribution to the total impedance. O At low frequency, the inductor dominates.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 62CP: A 1.5k resistor and 30-mH inductor are connected in series, as below, across a120-V(rms)ac power...

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