Further, {HEAD ~ a voltage} substantially equal to E will be induced between {TAIL ~ the center tap} CT and the upper end B of upper winding L2 
induced between
Further , { HEAD ~ a voltage } substantially equal to E will be induced between { TAIL ~ the center tap } CT and the upper end B of upper winding L2
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH