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