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Magnetic field of a steady current

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

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  1. Magnetic field of a steady current Section 30

  2. Boundary condition H1t = H2tstill holds Proof: J is finite everywhere, including boundaries

  3. Piecewise homogeneous medium Different parts have different m

  4. HW: Also require continuity of (curlA)t/m

  5. Diff. Eq. for A

  6. Non magnetic media: m = 1

  7. Thin wires, neglect internal regions of wire: “linear currents”

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