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3. A long cylindrical wire of radius R carrios a current I. The current density is non-uniform and can be expressed as J(r) = Jor? for 0

3. A long cylindrical wire of radius R carrios a current I. The current density is non-uniform and can be expressed as J(r) = Jor? for 0

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3. A long cylindrical wire of radius R carrios a current I. The current density is non-uniform and can be expressed as J(r) = Jor? for 0 < r<R and O everywhere else. Determine the magnetic field both inside and outside the wire. (It isn't zero outside the wire, even though the current density is zerol)
Transcribed Image Text:3. A long cylindrical wire of radius R carrios a current I. The current density is non-uniform and can be expressed as J(r) = Jor? for 0 < r<R and O everywhere else. Determine the magnetic field both inside and outside the wire. (It isn't zero outside the wire, even though the current density is zerol)
Expert Solution
Step 1

Given,

The current density is 

J(r) = J0r2 for 0<r<R  and 0 everywhere else

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