{TAIL ~ A second secondary winding} of the transformer is connected between the other end of {HEAD ~ the first secondary winding} of the transformer and the junction of the d.c. power source and the primary winding of the transformer 
{ TAIL ~ A second secondary winding } of the transformer is connected between the other end of { HEAD ~ the first secondary winding } of the transformer and the junction of the d.c . power source and the primary winding of the transformer
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH