How do you do a and b of this question? Thank you! 3.)Three long parallel wires are equidistant(distance d3.00 meters) from eachother. Two are in a horizontal plane anddthe third is above them. The lower twoeach carry current I = 100 A into the page.The upper wire carries current I' = 200 Adout of the page.a. Find the magnetic field (magnitude and direction) at the position of I' due to thecurrents through the two lower wires.b. Find the force (magnitude and direction) per unit length on the upper wire.

Biot-Savart Law If a wire carries a current I and a small length element is chosen from the wire dl→…

Answered: a. Find the magnetic field (magnitude…

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a. Find the magnetic field (magnitude and direction) at the position of I' due to the currents through the two lower wires.