About: http://webisa.webdatacommons.org/283246274

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They saturate (there is a limit to the field strength they can take) and they distort (hysteresis losses in the material have this effect) as well as heating up (due to eddy current losses).
http://www.w3.org/ns/prov#wasQuotedFrom	diystompboxes.com