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Physics Magnetism,Magnetic Effects Of Current Level: High School

Magnetic Effect of Current

Two long straight wires are perpendicular to the page and separated by distance d1 = 0.75 cm . Wire 1 carries 6.2 A into the page . What is the current in the wire 2 if the net magnetic field due to the two currents is zero at point P located a distance d2 = 1.50 cm from the wire 2 ?