Two long, straight wires, one above the other, are separated by a distance 2a and are parallel to the x-axis. Let the +y-axis be in the plane of the wires in the direction from the lower wire to the upper wire. Each wire carries current I in the +x-direction. What are the magnitude and direction of the net magnetic field of the two wires at a point in the plane of the wires midway between them? O a pol/ma +k-direction O b. 0 Oc. Hol/2na +k-direction O d. 2pl/ma+k-direction
Two long, straight wires, one above the other, are separated by a distance 2a and are parallel to the x-axis. Let the +y-axis be in the plane of the wires in the direction from the lower wire to the upper wire. Each wire carries current I in the +x-direction. What are the magnitude and direction of the net magnetic field of the two wires at a point in the plane of the wires midway between them? O a pol/ma +k-direction O b. 0 Oc. Hol/2na +k-direction O d. 2pl/ma+k-direction
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