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Magnetic field of a steady current. Section 30. Boundary condition H 1t = H 2t still holds. Proof: J is finite everywhere, including boundaries. Piecewise homogeneous medium. Different parts have different m. HW: Also require continuity of ( curl A ) t / m. Diff. Eq. for A.
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Magnetic field of a steady current Section 30
Boundary condition H1t = H2tstill holds Proof: J is finite everywhere, including boundaries
Piecewise homogeneous medium Different parts have different m
Diff. Eq. for A
Thin wires, neglect internal regions of wire: “linear currents”