Two long straight wires carry currents perpendicular to the xy plane. One carries a current of 50 A and passes through the point x = 5.0 cm on the x axis. The second wire has a current of 80 A and passes through the point y = 4.0 cm on the y axis. What is the magnitude of the resulting magnetic field at the origin?

A. 200 ?T
B. 600 ?T
C. 450 ?T
D. 300 ?T
E. 400 ?T


Answer: C

Physics & Space Science

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