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  1. A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q = 100. If each of R, L and C is doubled from its original value, the new Q of the circuit is

    2. A.
    25
    B.
    50
    C.
    100
    D.
    200

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    Answer : Option B

    Explanation :

    Resonant frequency

    Quality factor =

    where R, L, C all are doubled, then

    .

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