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CBSE Class 12-science Answered

What is Q factor of series resonant circuit and what will happen to the Q factor if the resistance increases?
Asked by Topperlearning User | 22 Jun, 2015, 10:23: AM
answered-by-expert Expert Answer
Q factor of series resonant circuit is defind as the ratio of the voltage developed across the inductance or capacitance at resonance to the impressed voltage, which is the voltage applied across R.
 
begin mathsize 11px style straight Q equals 1 over straight R square root of straight L over straight C end root
rightwards double arrow straight Q proportional to 1 over straight R end style
Q is inversely proportional to R. So, if R increases Q factor of circuit decreases or if R decreases Q increases.
Answered by | 22 Jun, 2015, 12:23: PM

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