12th Class Physics Magnetism Question Bank Case Based (MCQs) - Magnetism and Matter

  • question_answer
    At a place, angle of dip is \[30{}^\circ \]. If horizontal component of earth's magnetic field is H. then the total intensity of magnetic field will be

    A) \[\frac{H}{2}\]

    B) \[\frac{2H}{\sqrt{3}}\]

    C) \[H\sqrt{\frac{3}{2}}\]

    D) 2H

    Correct Answer: B

    Solution :

    Biot-Savart law can be expressed alternatively as Ampere circuital law.


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