Physics, 14.07.2019 16:30 cjkc

Along wire is known to have a radius greater than 4.0 mm and to carry a current uniformly distributed over its cross section. if the magnitude of the magnetic field is 0.285 mt at a point 4.0 mm from the axis of the wire and 0.200 mt at a point 10 mm from the axis, what is the radius of the wire?

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Along wire is known to have a radius greater than 4.0 mm and to carry a current uniformly distribute...