Field of a current loop

Given a circular wire loop of radius \( 5 \, \text{cm} \) that carries current \( 500 \, \text{mA} \), let \( B \) be the magnitude of the magnetic field a distance \(5 \, \text{m} \) from the center of the loop as measured along an axis perpendicular to the plane of the loop that goes through the center of the loop. (Assume that the radius of the loop is much smaller than the distance along the axis.)

Find \( B / \mu_0 \) in \( \text{A}/\text{m} \).

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