About: http://webisa.webdatacommons.org/186569471

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	Bottom picture ??? instantaneous current in the coil is close to zero and magnetic field is created mainly by eddy currents that continue to flow in the tube.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net