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Discussion :: Magnetism and Electromagnetism

  1. When the current through the coil of an electromagnet reverses, the

    2. A.
    direction of the magnetic field reverses
    B.
    direction of the magnetic field remains unchanged
    C.
    magnetic field expands
    D.
    magnetic field collapses

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    Answer : Option A

    Explanation :

    No answer description available for this question.

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