I built one coil in Сomsol 5.2a as the Helmholtz coil and inserted an iron core in the middle of circle, but after starting the Study the magnetic lines do not pass through the core. How to include the core in this process?
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I built one coil in Сomsol 5.2a as the Helmholtz coil and inserted an iron core in the middle of circle, but after starting the Study the magnetic lines do not pass through the core. How to include the core in this process?