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(Solved): A piece of copper wire has a resistance per unit length of 5.59\times 10^(-3)(\Omega )/(m). The wire ...
A piece of copper wire has a resistance per unit length of 5.59\times 10^(-3)(\Omega )/(m). The wire is wound into a thin, flat coil of
many turns that has a radius of 0.135 m . The ends of the wire are connected to a 12.0-V battery. Find the magnetic
field strength at the center of the coil.