{HEAD ~ A voltage} is induced in {TAIL ~ the lower end} A of lower winding L1 of such transformer to produce a voltage VB substantially equal to 2E between ends A, B of the primary of transformer T; here, however, the voltage at end 
{ HEAD ~ A voltage } is induced in { TAIL ~ the lower end } A of lower winding L1 of such transformer to produce a voltage VB substantially equal to 2E between ends A , B of the primary of transformer T ; here , however , the voltage at end
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH