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Discussion :: Network Analysis and Synthesis

  1. If the iron core of a coil is removed so that it becomes an air cored coil, its inductance

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

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    Answer : Option B

    Explanation :

    μr for air is 1 while μr for iron is more than 1.

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