Problem C14: Consider the wire shown in the figure above that has a current I0. Two sections of the wire are straight and semi-infinite in length. They are separated by a distance of n1/&pi meters. There are two other straight pieces that are connected to a semi-circular piece of radius n2 meters. What is the magnitude of the magnetic field at the center of the semi-circle? If the magnitude of the magnetic field is |B| = μ0I0/n3 Tesla, what is n3.

n1 = n2 = Input n3:
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