Problem 3: Force on current-carrying wire a I a I o a I A wire carrying 4 A of current passes through a uniform magnetic eld with (_ 25 cmo 40 cm _) a strength B = 0.4 T directed out-of-the-page as shown. . I. . . I. . . A. Determine the force (magnitude and direction) on each wire segment. Determine the magnitude of direction of the net force on the entire wire