Two long straight wires carry currents perpendicular to the xy plane, with both currents traveling in the +z direction. 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. (5 points) Draw a good physics diagram. Do not draw the B-fields free-hand.
b. (25 points) Draw the vector geometry clearly, indicating all relevant angles.