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Electric Current and Magnetism

I need some help with these question:
Two long, straight wires are oriented perpendicular to the computer screen, as shown below, in which L = 4.5 cm. The current in one wire is I1 = 3.1 A, pointing into the screen, and the current in the other wire is I2 = 4.0 A, pointing out of the screen. Find the magnitude and direction of the net magnetic field at point P.
(see attachment for diagram)

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Solution Summary

This handwritten solution determines the magnitude and direction of the new magnetic field at point P with step-by-step calculations and explanations.

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