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- The Q factor of a resonant ac circuit (Section 21–15) can be defined as the ratio of the voltage across the capacitor (or inductor) to the voltage across the resistor, at resonance. The larger the Q factor, the sharper the resonance curve will be and the sharper the tuning. (a) Show that the Q factor is given by the equation Q = (1/R)VL/C. (b) At a reso- nant frequency fo = 1.0 MHz, what must be the values of L and R to produce a Q factor of 650? Assume that C = 0.010 µF. %3D

- The Q factor of a resonant ac circuit (Section 21–15) can be defined as the ratio of the voltage across the capacitor (or inductor) to the voltage across the resistor, at resonance. The larger the Q factor, the sharper the resonance curve will be and the sharper the tuning. (a) Show that the Q factor is given by the equation Q = (1/R)VL/C. (b) At a reso- nant frequency fo = 1.0 MHz, what must be the values of L and R to produce a Q factor of 650? Assume that C = 0.010 µF. %3D

Physics for Scientists and Engineers, Technology Update (No access codes included)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter33: Alternating Current Circuits
Section: Chapter Questions
Problem 33.11OQ
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- The Q factor of a resonant ac circuit (Section 21–15) can be defined as the ratio of the voltage across the capacitor (or inductor) to the voltage across the resistor, at resonance. The larger the Q factor, the sharper the resonance curve will be and the sharper the tuning. (a) Show that the Q factor is given by the equation Q = (1/R)VL/C. (b) At a reso- nant frequency fo = 1.0 MHz, what must be the values of L and R to produce a Q factor of 650? Assume that C = 0.010 µF. %3D
Transcribed Image Text:- The Q factor of a resonant ac circuit (Section 21–15) can be defined as the ratio of the voltage across the capacitor (or inductor) to the voltage across the resistor, at resonance. The larger the Q factor, the sharper the resonance curve will be and the sharper the tuning. (a) Show that the Q factor is given by the equation Q = (1/R)VL/C. (b) At a reso- nant frequency fo = 1.0 MHz, what must be the values of L and R to produce a Q factor of 650? Assume that C = 0.010 µF. %3D
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