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Discussion :: Materials and Components

  1. A single layer air cored coil has n turns and inductance L. If a new coil is formed by having 2n turns while keeping the coil length and diameter the same, the new inductance is

    2. A.
    0.5 L
    B.
    L
    C.
    2 L
    D.
    4 L

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    Answer : Option D

    Explanation :

    Inductance is proportional to square of number of turns.

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