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May 25, 2015

Homework Help: physics

Posted by Phy on Saturday, March 30, 2013 at 11:19pm.

A current I travels counterclockwise through a closed copper wire loop which has the shape of a rectangle with sides 'a' and 'b'.

What is the magnitude of the magnetic field at the center, C, of the rectangle? Express your answer in terms of a, b, I and mu _0. (Enter mu_0 )

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