4- Please mark the correct answer. A segment of wire is bent into an arc of radius R and subtended angle 8, as shown in the figure. Point P is at the center of the circular segment. The wire carries current I. If = 120°, what is the magnitude of the magnetic field at P ? Hol 6R A) B) C) 3μgl D) 4nR² E) Zero Hol 2R Ho! 2R² R 0

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