and its magnitude varies linearly with radial distance r from the axis according to J=J0 ra

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The current density J inside a long, solid cylindrical wire of radius a=12 mm is in the direction of the central axis, and its magnitude varies linearly with radial distance r from the axis according to J=J0 ra, where J0= 1054 π A/m^2. Find the magnitude of the magnetic field at r = a/2 in μT
09
Sep
The current density J inside a long, solid cylindrical wire of radius a=12 mm is in the direction of the central axis, and its magnitude varies linearly with radial distance r from the axis according to J=J0 ra, where J0= 1054 π A/m^2. Find the magnitude of the magnetic field at r = a/2 in [...]
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Tags: and its magnitude varies linearly with radial distance r from the axis according to J=J0 ra , solid cylindrical wire of radius a=12 mm is in the direction of the central axis , The current density J inside a long , where J0= 1054 π A/m^2. Find the magnitude of the magnetic field at r = a/2 in μT ,