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Physics
In a scries LCR resonance circuit, if we change the resistance only, from a lower to higher value :
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Q. In a scries $LCR$ resonance circuit, if we change the resistance only, from a lower to higher value :
JEE Main
JEE Main 2021
Alternating Current
A
The bandwidth of resonance circuit will increase.
37%
B
The resonance frequency will increase.
12%
C
The quality factor will increase.
15%
D
The quality factor and the resonance frequency will remain constant.
36%
Solution:
Bandwidth $= R / L$
Bandwidth $\propto R$
So bandwidth will increase