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Discussion :: Network Analysis and Synthesis

  1. In a series ac circuit a voltage of 20 V at 25 Hz causes a current of 0.20 A, while the same voltage at 75 Hz causes a current of 0.12 A. The circuit consists of

    2. A.
    R and C in parallel
    B.
    R and C in series
    C.
    R and L in series
    D.
    either (a) or (b)

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    Answer : Option B

    Explanation :

    As f increases impedance increases and current decreases in RL circuit.

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