To test hearing at various frequencies, a resonant RLC circuit is connected to a speaker. The resonant
Question:
To test hearing at various frequencies, a resonant RLC circuit is connected to a speaker. The resonant frequency is selected by changing a variable capacitor.
(a) For an RLC circuit with L = 300 mH, what is the necessary capacitance to achieve a resonance frequency of 20 Hz (about the lowest frequency that can be detected by people with excellent hearing)?
(b) What is the necessary capacitance for a frequency of 20 kHz (about the highest audible frequency)?
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Related Book For 
College Physics With An Integrated Approach To Forces And Kinematics
ISBN: 978-1260547719
5th Edition
Authors: Alan Giambattista
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