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Three parallel wires carry current into and out of the page. Wire 1 carries 4.00 A...

Three parallel wires carry current into and out of the page. Wire 1 carries 4.00 A of current into the page at the origin. Wire 2 carries 5.00 A of current out of the page 1/2 d to the right of the origin along the +x axis. Wire 3 carries 8.00 A of current into the page at a point directly below wire 2, located a distance d away from the origin.

(a) What is the direction of the net magnetic force per length exerted on wire 1 by the other two wires if d = 1.00 cm?

(b) What is the magnitude of the net force per length exerted on wire 2 by the other two wires if d = 1.00 cm?

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