A 2.0-cm length of wire centered on the origin carries a 20-A current directed in the positive y direction. Determine the magnetic field at the point x = 5.0 m on the x-axis

a. 1.6 nT in the negative z direction
b. 1.6 nT in the positive z direction
c. 2.4 nT in the negative z direction
d. 2.4 nT in the negative z direction
e. None of the above


A

Physics & Space Science

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