Question: A vertical straight wire carrying an upward 13.4 A current exerts an attractive force per unit length of 9.40E-4 N/m on a second parallel wire

A vertical straight wire carrying an upward 13.4 A current exerts an attractive force per unit length of 9.40E-4 N/m on a second parallel wire 5.80 cm away. What is the magnitude of the current that flows in the second wire?

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