A wire is formed into the shape of a square of edge length
Chapter 30, Problem 76(choose chapter or problem)
A wire is formed into the shape of a square of edge length L (Fig. P30.76). Show that when the current in the loop is I, the magnetic field at point P a distance x from the center of the square along its axis is B 5 m0IL2 2p1x 2 1 L2 /42"x 2 1 L2 /2
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