A piece of copper wire has a resistance per unit length of6.10 10 -3 /m. The wire
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Question:
A piece of copper wire has a resistance per unit length of6.10 10-3/m. The wire is wound into a thin, flat coil of many turns that has a radius of0.170m. The ends of the wire are connected to a 12.0-V battery. Find the magnetic field strength at the center of the coil.
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