What is the current in the lower wire

Reference no: EM13297022

A long horizontal wire carries a current of IT = 46.9 A. A second wire (I), made of 3.00 mm diameter copper wire and parallel to the first but L = 13.8 cm below it, is held in suspension magnetically. (This means the upwards magnetic force on that lower wire is just large enough to hold it up against its own weight) What is the current in the lower wire (Use right as the positive direction)? (The density of copper is 8.93E3 kg/m^3)

Reference no: EM13297022

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