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Since r indicates the distance from the axis of the wire, consider the R radius cylinder where the current density for rsR is J(r) = R3 and for R>r: J(r)=0. Find the magnetic field inside the wire (rsR) and outside (r> R).

Since r indicates the distance from the axis of the wire, consider the R radius cylinder where the current density for rsR is J(r) = R3 and for R>r: J(r)=0. Find the magnetic field inside the wire (rsR) and outside (r> R).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Since r indicates the distance from the axis of the wire, consider the R radius cylinder where the current density for rsR is J(r) = R3 and for R>r: J(r)=0. Find the magnetic field inside the wire (rsR) and outside (r> R).
Transcribed Image Text:Since r indicates the distance from the axis of the wire, consider the R radius cylinder where the current density for rsR is J(r) = R3 and for R>r: J(r)=0. Find the magnetic field inside the wire (rsR) and outside (r> R).
Expert Solution
Step 1

Draw the cylindrical conductor.

Electrical Engineering homework question answer, step 1, image 1

Step 2

Write the expression for the Ampere’s circuital law.

Electrical Engineering homework question answer, step 2, image 1

Step 3

When r ≤ R,

Write the expression for the Ampere’s circuital law and substitute the known values.

Electrical Engineering homework question answer, step 3, image 1

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