In the second step current to coil A is turned off and current to {HEAD ~ coil B} is turned on in {TAIL ~ opposite sense} to that in the induction phase to change the polarity at the pole ends 34 and 38 
is turned on in
In the second step current to coil A is turned off and current to { HEAD ~ coil B } is turned on in { TAIL ~ opposite sense } to that in the induction phase to change the polarity at the pole ends 34 and 38
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH