A laminated magnetic core of a 1 kVA 50 Hz transformer. The magnified portion shows edges of laminations with visible within-lamination air gaps. Such locations encourage the flux crowding phenomenon.
laminated_core_-_magnetica.jpg
You are permitted and indeed encouraged to use this image freely, for any legal purpose including commercial, and with any modifications (the permission is hereby given, so there is no need to ask for it explicitly again), but you MUST always give the following credits:
S. Zurek, Encyclopedia Magnetica, CC-BY-4.0
We would appreciate if you let us know of any use: info@e-magnetica.pl