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Discussion :: Materials and Components

  1. In a specimen of silicon steel, a field strength of 200 A/m causes a flux density of 0.5 T. In a specimen of cast iron, the same H would cause B to be

    2. A.
    0.5 T
    B.
    less than 0.5 T
    C.
    more than 0.5 T
    D.
    0.5 T or more or less

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    Answer : Option B

    Explanation :

    Because cast iron has lower permeability than silicon steel.

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