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Discussion :: Materials and Components

  1. A 200 turn coil has a self inductance of 10 mH. If the number of turns is doubled, all other quantities remaining the same, the self inductance will be

    2. A.
    2.5 mH
    B.
    5 mH
    C.
    20 mH
    D.
    40 mH

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    Answer : Option D

    Explanation :

    Inductance is proportional to square of number of turns.

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