A circular coil of wire has a radius of 70cm and has 130


A circular coil of wire has a radius of 7.0cm and has 130 turns of wire that carries 6.9 A of current. What is the magnetic field at the center of the coil? Express your answer to two significant figures and include appropriate units.

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Physics: A circular coil of wire has a radius of 70cm and has 130
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