A piece of wire is bent to form a circle with radius r. It has a steady current I flowing through it in a counterclockwise direction as seen from the top (looking in the negative z-direction).
What is Bz (0), the z component of B at the center (i. e., x=y=z=0) of the loop?
Express your answer in terms of I, r, and constants like μ0 and π.
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Home » Physics » A piece of wire is bent to form a circle with radius r. It has a steady current I flowing through it in a counterclockwise direction as seen from the top (looking in the negative z-direction). What is Bz (0), the z component of B at the center (i. e.