A reactor comprising {HEAD ~ an annular iron core} constituting a closed magnetic path and {TAIL ~ a conductor wound} on the iron core 
constituting
A reactor comprising { HEAD ~ an annular iron core } constituting a closed magnetic path and { TAIL ~ a conductor wound } on the iron core
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH