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Discussion :: Materials and Components

  1. The core of a coil has a length of 10 cm. The self inductance is 8 mH. If the core length is doubled, all other quantities remaining the same, the self inductance will be

    2. A.
    32 mH
    B.
    16 mH
    C.
    8 mH
    D.
    4 mH

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    Answer : Option D

    Explanation :

    Inductance is inversely proportional to the core length.

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