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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2002

  • question_answer
    A wire carrying current i is shaped as shown. Section AB is a quarter circle of radius r. The magnetic field is directed:

    A)  perpendicular to the plane of the paper and directed into the paper

    B)  at an angle \[\pi \]/4 to the plane of the paper

    C)   along the bisector of the angle ACB away from AB

    D)  along the bisector of ACB towards AB.

    Correct Answer: A

    Solution :

     By Grip rule magnetic field due to straight segment of current at C = zero. Magnetic field due to quarter circle at\[C=\frac{{{\mu }_{0}}I}{8r}\] vertically down to the paper.


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