About: http://webisa.webdatacommons.org/11018056

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	A rotating magnetic field is a magnetic field that has moving polarities in which its opposite poles rotate about a central point or axis.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org