JEE PYQ: Alternating Current Question 6
Question 6 - 2021 (18 Mar Shift 1)
In a series LCR resonance circuit, if we change the resistance only, from a lower to higher value:
(a) The bandwidth of resonance circuit will increase. (b) The resonance frequency will increase. (c) The quality factor will increase. (d) The quality factor and the resonance frequency will remain constant.
Show Answer
Answer: (a)
Solution
Bandwidth $= R/L$. Bandwidth $\propto R$. So bandwidth will increase when R increases.
BETA
