Questions
In series LCR resonance circuit , if we change the resistance only , from a lower to higher value:
a
The quality factor and the resonance frequency will remain constant
b
The quality factor will increase
c
The bandwidth of resonance circuit will increase
d
The resonance frequency will increase
detailed solution
Correct option is C
Bandwidth =RL As R increases, BW also increases.Quality factor=Q = 1RL/C As R increases, Q decreases.Resonance frequency =f=12π1LC f is independent of R.Talk to our academic expert!
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