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A long, hollow cylinder with inner radius R1R1 and outer radius R2R2 carries current along its length. The current is uniformly distributed over the cross-sectional area of the cylinder and has current density JJ. Find the magnetic-field magnitude BB as a function of the distance rr from the conductor axis for points inside the hollow interior (r
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A long, hollow cylinder with inner radius R1R1 and outer radius R2R2 carries current along its lengt...
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