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A segment of wire is bent into an arc of radius R and subtended angle 0, as shown in the figure. Point P is

A segment of wire is bent into an arc of radius R and subtended angle 0, as shown in the figure. Point P is at the center of the circular segment. The wire carries current I. What is the magnitude of the magnetic field at P ? B. "(2x) R A.0 R C. HARR D. HARR

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