A wire running parallel to the x-axis comes from a long way away to the z-axis at the point z0 = 3.00 m. It then makes a turn and travels along the z-axis until it reaches the origin. Then it makes another turn to follow the y-axis up to the point y0 = 2.00 m. It makes one last turn into the negative x-direction and continues until it is a long way away.

If the wire carries a 280 mA current, determine the magnitude of the magnetic field on the x-axis at the point x₀=3.99 m.

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