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