A current I = 16 A isdirected along the positive x -axis and perpendicular to am

Question

A current I = 16 A isdirected along the positive x-axis and perpendicular to amagnetic field. A magnetic force per unit length of 0.11 N/m acts on the conductor in the negativey-direction. Calculate the magnitude and direction of themagnetic field in the region through which the current passes.

________T A current I = 16 A isdirected along the positive x-axis and perpendicular to amagnetic field. A magnetic force per unit length of 0.11 N/m acts on the conductor in the negativey-direction. Calculate the magnitude and direction of themagnetic field in the region through which the current passes.

________T

Explanation / Answer

             Given that the current in the wire is I = 16 A (i)              The magnetic force per unit length is F /L = 0.11 N/m (-j)            -----------------------------------------------------------------------                since the force is perpendecular to the both current and themagnetic field then                                       F /L = I*B                                             B= ( F /L) *(1 / I)                                                = ------------- T           Fromthe right hand rule the direction of magnetic field is+ ve Z direction.

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