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Two long, straight, parallel wires carry current. The first wire carries I1 = 3 A to...

Two long, straight, parallel wires carry current. The first wire carries I1 = 3 A to the right and the second carries I2 = 5 A to the left. The force per length each wire exerts on the other is of magnitude 5 × 10−6 N/m.

(a) Sketch the situation. On your sketch indicate the directions of the magnetic fields produced by each wire and the direction of the force exerted on each wire. Determine the distance between the wires.

(b) What is the magnetic field (magnitude and direction) at a point halfway between the wires?

(c) What is the magnetic field (magnitude and direction) current 1 produces at current 2?

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