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