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Change in resonant frequency when L or C is changed

This type of question, asked 3 times: 25 Jul 2022, 25 Jan 2023, 1 Feb 2024. All 3 questions below, oldest first.

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  1. Question 1

    25 Jul 2022

    12
    To increase the resonant frequency in series LCR circuit,

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  2. Question 2

    25 Jan 2023

    8
    In an LC oscillator, if values of inductance and capacitance become twice and eight times, respectively, then the resonant frequency of oscillator becomes xx times its initial resonant frequency ω0\omega_{0}. The value of xx is:

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  3. Question 3

    1 Feb 2024

    13
    In series LCR circuit, the capacitance is changed from CC to 4C. To keep the resonance frequency unchanged, the new inductance should be:

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