6. The quality factor of a series RLC resonant circuit increases if (a) R decreases (b) R increases (c) B.W. increases (d) input voltage increases 7. A band-pass filter is one which (a) attenuates all frequencies below the lower cutoff frequency fer (b) attenuates all frequencies above the upper cutoff frequency fcz (c) attenuates all frequencies lying between fcaand fca (d) passes all frequencies lying between fciand fcz
6. The quality factor of a series RLC resonant circuit increases if (a) R decreases (b) R increases (c) B.W. increases (d) input voltage increases 7. A band-pass filter is one which (a) attenuates all frequencies below the lower cutoff frequency fer (b) attenuates all frequencies above the upper cutoff frequency fcz (c) attenuates all frequencies lying between fcaand fca (d) passes all frequencies lying between fciand fcz
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Step 1
Answer 6:
For series, RLC circuit formula for quality factor is given by
Hence from the above formula, it is clear that
Q increases, if R decreases and BW increases.
Hence the correct option is 'a' and 'c' .
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