[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?

a. To the left

b. Into the page

c. Out of the page

d. Up parallel to a

e. To the right