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Silly question about voltage and current

Started by dieter, February 24, 2014, 02:05:51 PM

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0 Members and 6 Guests are viewing this topic.

MarkE

Quote from: Dave45 on March 05, 2014, 09:16:49 AM
You say electrons are negative and that current flows from neg to pos then turn around and study circuits right the opposite, how can you ever understand whats really happening.

You said we laughed, do you really think that bothers me, I guess that makes me the minority, I like it, I really never fit in anyway and I like to follow my own path.

Ya'll keep patting each other on the back and agreeing and keep paying for something that is free.
Dave, the sign of charge is arbitrary for purposes of circuit analysis.  It is only important to maintain the same convention throughout the analysis.  The vast majority of the world chooses to follow positive current convention for the simple reason that it reduces the number of sign reversals when analyzing a circuit.  Tracking electrons drifting from the negative pole of an energy source say CCW around a circuit is mathematically equivalent to following 'electron holes', IE positve charge CW around the same circuit. This has been explained to you and  illustrated for you.  If the concept still doesn't make sense to you, then please pick up a book on circuit analysis.