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JEE Main & Advanced Physics Magnetism Question Bank Earth's Magnetism

  • question_answer
    The magnetic field due to the earth is closely equivalent to that due to                                  [BIT Ranchi 1982]

    A)            A large magnet of length equal to the diameter of the earth  

    B)            A magnetic dipole placed at the centre of the earth

    C)            A large coil carrying current

    D)            Neither of the above

    Correct Answer: A

    Solution :


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