Question

A vertical straight wire carrying an upward 26-A current exerts an attractive force per unit length...

A vertical straight wire carrying an upward 26-A current exerts an attractive force per unit length of 6.3×10−4 N/m on a second parallel wire 5.0 cm away.

Part A What is the magnitude of the current in the second wire?

Express your answer to two significant figures and include the appropriate units.

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