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

  • question_answer
    The angle of dip at a certain place, where the horizontal and vertical components of the Earth's magnetic field are equal, is:

    A) \[30{}^\circ \]                          

    B) \[90{}^\circ \]      

    C) \[60{}^\circ \]                          

    D) \[45{}^\circ \]

    Correct Answer: D

    Solution :

    (d) \[45{}^\circ \] Given    \[{{B}_{V}}={{B}_{H}}\] \[\therefore \tan \delta =\frac{{{B}_{V}}}{{{B}_{H}}}1\] or \[\delta =45{}^\circ \]


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