In Fig. 29-40, two semicircular arcs have radii R2 ! 7.80
Chapter , Problem 8(choose chapter or problem)
In Fig. 29-40, two semicircular arcs have radii R2 ! 7.80 cm and R1 ! 3.15 cm, carry current i ! 0.281 A, and have the same center of curvature C.What are the (a) magnitude and (b) direction (into or out of the page) of the net magnetic field at C?
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