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Discussion :: Network Analysis and Synthesis

  1. A coil of resistance R and inductance L has a capacitor C in parallel with it. The source frequency is adjusted to a value equal to resonant frequency. Another capacitor C is added in parallel with the above circuit, the source current will

    2. A.
    increase
    B.
    decrease
    C.
    remain the same
    D.
    may increase or decrease

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    Answer : Option B

    Explanation :

    The circuit will not in resonance. In parallel resonant circuit the current is minimum at resonance. Therefore, current will increase.

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