An infinitely long conductive wire of radius a is inside an infinitely long and very thin sheath of radius b. Constant I current goes from the conductor wire and returns through the cylindrical sheath. The current density is assumed to be uniform at thę wire and sheath. Write the expressions of the magnetic field that are valid inside the wire, between the wire and the sheath and outside the sheath. www wwm m m my m m

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An infinitely long conductive wire of radius a is inside an infinitely
long and
very thin sheath of radius b. Constant I current goes
from
the conductor wire and returns through the cylindrical sheath. The
www
current density is assumed to be uniform at the wire and sheath.
Write the expressions of the magnetic field that are valid inside the
wire, between the wire and the sheath and outside the sheath.
mw m w m ww m m m m w
Transcribed Image Text:An infinitely long conductive wire of radius a is inside an infinitely long and very thin sheath of radius b. Constant I current goes from the conductor wire and returns through the cylindrical sheath. The www current density is assumed to be uniform at the wire and sheath. Write the expressions of the magnetic field that are valid inside the wire, between the wire and the sheath and outside the sheath. mw m w m ww m m m m w
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