Question: A very long wire is carrying a current i = I and the circular loop has radius r and is carrying a current i2

A very long wire is carrying a current i = I and the circular loop has radius r and is carrying a current i2 = 21, (I > 0), in the directions shown. You may assume the circle of the loop is almost touching the wire so that the perpendicular distance from the wire to the center of the loop is r. i2 i, Find the magnitude of the magnetic field B at the center of the circular loop.

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