Multiple Choice
As shown in the figure,an insulated wire is bent into a circular loop of radius 6.0 cm and has two long straight sections.The loop is in the xy-plane,with the center at the origin.The straight sections are parallel to the z-axis.The wire carries a current of 8.0 A.What is the magnitude of the magnetic field at the origin? (μ0 = 4π × 10-7 T • m/A) 
A) 75 µT
B) 81 µT
C) 88 µT
D) 110 µT
E) 120 µT
Correct Answer:
Verified
Correct Answer:
Verified
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