[10 points] (14) Two circular arcs have radii a = 10.5 cm and b = 6.7 cm, subtend an angle = 74o, carry a current I = 0.411 A, and share the same center of curvature P.
What is the magnitude of the net magnetic field (in microTesla) at point P?
a. 0.287
b. 45.394
c. 0.792
d. 0.034
e. 58.628
What is the direction of the net magnetic field at point P?