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