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## Homework Statement

A vertical straight wire carrying an upward 14.9A current exerts an attractive force per unit length of 8.50×10-4N/m on a second parallel wire 6.20cm away. What is the magnitude of the current that flows in the second wire?

## Homework Equations

I2=2pir*F/I1*4pi e-7

## The Attempt at a Solution

I2=2pi(.062)*8.5e-4/14.9*4pi e-7

I2=2.7926e-11

I keep getting ridiculous numbers and I can't figure out what I'm doing wrong...help?!