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Question: Answered & Verified by Expert
In a scries LCR resonance circuit, if we change the resistance only, from a lower to higher value :
PhysicsAlternating CurrentJEE MainJEE Main 2021 (18 Mar Shift 1)
Options:
  • 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.
Solution:
1723 Upvotes Verified Answer
The correct answer is: The bandwidth of resonance circuit will increase.

The bandwidth of resonance circuit will increase.

As we know that Bandwidth =R/L.

Bandwidth ∝R.

So, bandwidth will increase.

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