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Technology Stocks : The *NEW* Frank Coluccio Technology Forum -- Ignore unavailable to you. Want to Upgrade?

To: Condor who wrote (31736)	10/16/2009 4:07:03 PM
From: Frank A. Coluccio	Respond to of 46821

Thanks, Condor, for that illuminating read. I was about quip about what appeared to be an erroenous reversal of anode-cathode polarity relationship, as described in the article, until I recalled the confusion that has existed over the ages in terms of flow directions of conventional, electron and hole theories, and decided to investigate other use case possibilities: From wikipedia: en.wikipedia.org Snip: A widespread misconception is that anode polarity is always positive. This is often incorrectly inferred from the correct fact that in all electrochemical devices negatively charged anions move towards the anode (hence their name) and/or positively charged cations move away from it. In fact anode polarity depends on the device type, and sometimes even in which mode it operates, as per the above electric current direction-based universal definition. Consequently, as can be seen from the following examples, in a device which consumes power the anode is positive, and in a device which provides power the anode is negative: /Snip ------