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  1. Two coils X of 1000 turns and Y of 2000 turns are placed such that 60% of the flux produced by coil X links coil Y. A current of 1 A in coil X produces 0.1 wb flux. The mutual inductance between coils is

    2. A.
    0.12 H
    B.
    0.08 H
    C.
    0.06 H
    D.
    0.04 H

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    Answer : Option A

    Explanation :

    L2 = 0.1 X 4 = 0.4

    M = kL1L2 = 0.6 0.4 X 0.1

    = 0.6 X 0.2 = 0.12 .

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