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Kiyah
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Homework Statement
A power line carries a current of 95 A along the tops of 8.5 m high poles. What is the magnitude of the magnetic field produced by this wire at the ground?
How does this compare with the Earth's field of about 1/2 G?
Homework Equations
B= uo[tex]\mu[/tex]/2[tex]\pi[/tex]I/r
The Attempt at a Solution
4[tex]\pi[/tex]e-7/2[tex]\pi[/tex]95/8.5