The current detection circuit 306 is preferably {HEAD ~ a current meter} in {TAIL ~ series} with one of the electrodes, however, any type of current detection device or circuit may be used and is contemplated as falling within the scope of the present invention 
The current detection circuit 306 is preferably { HEAD ~ a current meter } in { TAIL ~ series } with one of the electrodes , however , any type of current detection device or circuit may be used and is contemplated as falling within the scope of the present invention
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH