The discussion centers around the comparison of ring magnets and disk magnets, specifically in the context of their ability to create eddy currents when dropped through a copper tube. Participants are exploring the differences in strength and field density between the two types of magnets and how these factors influence their behavior in this scenario.
Participants have not reached a consensus, and multiple competing views regarding the behavior of ring and disk magnets in relation to eddy currents remain unresolved.
There are limitations regarding the assumptions made about the behavior of the magnets, the definitions of terms used, and the specific conditions under which the magnets are being analyzed.
A current carrying ring does not behave the same as a disk magnet in all curcumstances. For example, if the current carrying ring is rotating then the ring will remain uncharged. However when a disk magnetc is rotating then the disk will have a non-zero charge distribution, although the net charge will remain the same. See proof I wrote and paced on my website at - http://www.geocities.com/physics_world/em/rotating_magnet.htmrobhlee said:what i am asking about is are there field line dynamics that can affect the effective induction.