The current-carrying wire loop in the figure on the left lies all in one plane and consists of a semicircle of radius 12 cm, a smaller semicircle with the same center, and two radial lengths. The smaller semicircle is rotated out of that plane by angle θ, until it is perpendicular to the plane. The figure on the right gives the magnitude of the net magnetic field at the center of curvature versus angle θ. The vertical scale is set by Ba = 11.900 μT and Bb = 15.922 μT. What is the radius of the smaller semicircle?
The current-carrying wire loop in the figure on the left lies all in one plane and consists of a semicircle of radius 12 cm, a smaller semicircle with the same center, and two radial lengths. The smaller semicircle is rotated out of that plane by angle θ, until it is perpendicular to the plane. The figure on the right gives the magnitude of the net magnetic field at the center of curvature versus angle θ. The vertical scale is set by Ba = 11.900 μT and Bb = 15.922 μT. What is the radius of the smaller semicircle?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter30: Magnetic Fields And Forces
Section: Chapter Questions
Problem 41PQ
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The current-carrying wire loop in the figure on the left lies all in one plane and consists of a semicircle of radius 12 cm, a smaller semicircle with the same center, and two radial lengths. The smaller semicircle is rotated out of that plane by angle θ, until it is perpendicular to the plane. The figure on the right gives the magnitude of the net magnetic field at the center of curvature versus angle θ. The vertical scale is set by Ba = 11.900 μT and Bb = 15.922 μT. What is the radius of the smaller semicircle?
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