2. The current distribution of an infinite, longitudinally-uniform, and axially-symmetric wire can be described in cylindrical coordinates by J = J(p) 2. (a) Show that J = 0. (b) Considerations of longitudinal and axial symmetry require that the mag- netic field can only depend upon p, i.e. that B(p) = B₂(p)p+ Bø(p) + B₂(p)2. Use Ampère's Law to determine B6 (p) in terms of I (p) = 2π J(p') p'dp'. (c) Use the Biot and Savart Law to show that B.(o)= B.(p) = 0. Side note:
2. The current distribution of an infinite, longitudinally-uniform, and axially-symmetric wire can be described in cylindrical coordinates by J = J(p) 2. (a) Show that J = 0. (b) Considerations of longitudinal and axial symmetry require that the mag- netic field can only depend upon p, i.e. that B(p) = B₂(p)p+ Bø(p) + B₂(p)2. Use Ampère's Law to determine B6 (p) in terms of I (p) = 2π J(p') p'dp'. (c) Use the Biot and Savart Law to show that B.(o)= B.(p) = 0. Side note:
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