Figure 29-39
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Homework 29.7
In fig 29-39 two circular arcs have radii a = 13.5 cm and b = 10.7 cm,
subtend angle
θ
= 74.0 o, carry a current i = 0.411 A, and share
the same center of curvature P.
What are the (a) magnitude and (b) direction (into or out of the page)
of the net magnetic field at P?