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Discussion :: Network Analysis and Synthesis

  1. In an R-L circuit, the impedance is 30 Ω at a frequency of 100 Hz. At 200 Hz, the impedance should be

    2. A.
    30 Ω or more
    B.
    60 Ω or more
    C.
    15 Ω or less
    D.
    more than 30 Ω but less than 60 Ω

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    Workspace

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    Answer : Option D

    Explanation :

    Z = (R2 + ω2L2)0.5.

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