g. Positive current comes straight out of the computer screen(negative current is into the screen). Therefore, in what directionis I L x B for negative current (indicate this onyour sketch). Try it and verify your answer

8. With a negative current, where does the gray wire need to belocated so that the force on the purple wire is zero? So that theforce on the green wire is zero? Explain. After you findthese positions, you should be able to use the known current in thegray wire, and the positions to determine the currents in each ofthe other wires. Do so[Position of Gray wire: (0.6298, -0.8297), Force: (0.0422N/m), I : (-1.206A)Position of purple wire: (-1.0154, -2.0482)Position of green wire: (3.0206, 1.0111)help with both partsCurrent I : (-1.206A)

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Exploration 28.3: Wire Configurations for a Net Force of Zero Exploration 28.3: Wire Configurations for a Net Force of Zero