When SW1 is in a closed position, {HEAD ~ the current} through inductor 14 is increasing in the direction of {TAIL ~ the battery} 38 
When SW1 is in a closed position , { HEAD ~ the current } through inductor 14 is increasing in the direction of { TAIL ~ the battery } 38
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH