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Evaluate what the magnitude of the magnetic field

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The current density inside a long, solid, cylindrical wire of radius a = 4.8 millimeter is in the direction of the central axis and its magnitude varies linearly with radial distance r from the axis according to J =J0r/a, where J0 = 420 A/m2. Evaluate the magnitude of the magnetic field at a distance r = 2.6 millimeter from the center.

Reference no: EM13668475

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