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A long straight wire in the horizontal plane carries a current of 50 A in north to south direction. Give the magnitude and direction of B at a point 2.5 m east of the wire.

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A long straight wire in the horizontal plane carries a current of 50 A in north to south direction. Give the magnitude and direction of B at a point 2.5 m east of the wire.

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  1. This answer was edited.

    Solution:
    Let us first decide the standard directions on the plane of paper.

    Magnitude of magnetic field

     

    Check the complete chapter with solutions.

    NCERT Solutions for 12th Class Physics: Chapter 4-Moving Charges and Magnetism