A vertical straight wire carrying an upward 28-A current
Chapter 20, Problem 28(choose chapter or problem)
(I) A vertical straight wire carrying an upward 28-A current exerts an attractive force per unit length of \(7.8 \times 10^{-4} \mathrm{~N} / \mathrm{m}\) on a second parallel wire 9.0 cm away. What current (magnitude and direction) flows in the second wire?
Equation Transcription:
Text Transcription:
7.8 times 10^-4 N/m
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