three long wires hang vertically. the distance between wire 1and 2 is 20 cm. on the left, wire 1 carries an upwardcurrent of 1.4 A. the the right, wire 2 carries a downwardcurrent of 4.4 A. Wire 3 is located such that when it carriesa certain current, each wire experiences no net force.
(a) what is the position of wire 3?
(b) what is the magnitude and direction of the current in wire3?