The current-carrying wireloop in Fig. 29-60a lies all in
Chapter , Problem 32(choose chapter or problem)
The current-carrying wireloop in Fig. 29-60a lies all in one plane and consists of a semicircle of radius 10.0 cm, a smaller semicircle with the same center, and two radial lengths. The smaller semicircle is rotated out of that plane by angle u, until it is perpendicularto the plane (Fig. 29-60b). Figure 29-60c gives the magnitude of the net magnetic field at the center of curvature versus angle u. The vertical scale is set by Ba ! 10.0 mT and Bb ! 12.0 mT. What isthe radius of the smaller semicircle?
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