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Two long, straight parallel wires 10.6 cm apart carry currents of equal magnitude I. The parallel wires repel each other with a force per unit length...

Two long, straight parallel wires 10.6 cm
apart carry currents of equal magnitude I.
The parallel wires repel each other with a
force per unit length of 2 nN/m.
The permeability of free space is 4  ×
10−7 T · m/A.
Find I.
Answer in units of mA.

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