Two long, straight wires are oriented perpendicular to the xy-plane. They carry currents of equal magnitudeIin opposite directions as shown in the figure. What is the direction of the magnetic field due to these currents at point P?
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Two long, straight wires are oriented perpendicular to the -plane. They carry currents of equal magnitudeIin opposite directions as shown in the figure. What is the direction of the magnetic field due to these currents at point ?