Editing Openai/67b08411-d3d8-800d-af10-3d564ddd4847 (section)

=== User: At the center of the copper disk is an iron core made of two equal but opposite components that because of their peculi… ===
At the center of the copper disk is an iron core made of two equal but opposite components that because of their peculiar stepped design interfaces appear, to me, to induce a progressive and/or degressive (spark?) gap by slightly varying the width of an air gap. Coincidently this dual iron part having offset but balanced masses is also at the center of the coil assemblies as though it were the very heart of the device serving as a place of transition from magnetic concentration and electric expansion. Is its function akin to tickling the Dirac Sea or disturbance of equilibrium? If so how is this so? Comment in detail, please.