{HEAD ~ A winding} of the transformer is connected in {TAIL ~ the sensing circuit} and a second coil , coupled to the first coil , is connected in the demagnetization circuit  
is connected in
{ HEAD ~ A winding } of the transformer is connected in { TAIL ~ the sensing circuit } and a second coil , coupled to the first coil , is connected in the demagnetization circuit
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH 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