A friend of mine, who is a cathodic protection engineer, states that in the cathodic (corrosion) protection business, he installs sacrificial anodes on buried gas piplines to protect against corrosio
hehe, it's really amazing that the myth ever got started. Supposedly it was easier around the turn of the century to explain electricity if you explained it in the reverse of how it actually works..
Actually, the notion of "current flow" began when folks started analyzing circuits and applying well-known circuit laws. To an engineer, "current" is a mathematical entity and its use, etc. in a circ
Actually, I believe it was Benjamin Franklin who postulated in about circa 1750 that electricity flows because of an attraction from positive to negative poles. Also, it was Franklin that postulated
<This is not a flame> Kinda reminds me of the saying,, "Engineers can't solder." In other words it's the technicians in the real world that know how the stuff works and can really build something. Th
In reality lightning is a complete loop like any circuit. Don't know if this has been mentioned here before or not but there is even positive and negative lightning,, so named because of where it ini
Fascinating! However, the more I read about electrical theory the less I know and the more confused I become. Will someone please explain in common english and without math just how the flow of elect
Sherrill actually, you'll find (as I did 15 years ago) math is the more elegant and precise way of explaining electronics theory....usually no more difficult than high school trig. /k6sdw Fascinating
Sherrill, lighting is the flow of energy. You can tell that by what it can do. The energy travels much faster than the flow of particles. It is limited to the speed of light. The energy in lighting i
Sherrill, solid metal is neutral. Where the metal contacts the water a electric field will strip the electron from the metal atom and convert it into an positive ion which can desolve into the water.
Your friend is talking about "conventional current" or hole flow when the positive to negative direction is mentioned, and electron current flow when negative to positive is considered. The stripping
A lightning bolt is a complete circuit in this way: Assume in this case it starts from the ground: To the ground,, the clouds at this point in time appear positive so the massive potential difference
As if most people CAN or ever really DO understand that! :) Dan -- FAQ on WWW: http://www.contesting.com/FAQ/tentec Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesti
Isn't calcium a positive metal ion itself? Frank W2FCA -- FAQ on WWW: http://www.contesting.com/FAQ/tentec Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com P
Frank, yes calcium is one of the metals that combines with negative ion oxygen and partcipates out. The negative ion oxygen combines with the positive iron ion to make rust. I guess zinc stays in sol
What is the current in this case really referring to? Could the holes be the neutrons? I have read that the positive side is abundant in protons. -- FAQ on WWW: http://www.contesting.com/FAQ/tentec S
You guys need to go back to chemistry 101. Regards, Mike N4NT@chartertn.net -- FAQ on WWW: http://www.contesting.com/FAQ/tentec Submissions: tentec@contesting.com Administrative requests: tentec-REQU
The holes are where an electron isn't. If electrons flow clockwise in a circuit then the holes flow counterclockwise. Regards, Mike N4NT@chartertn.net the it was in states electrons -- FAQ on WWW: ht
Sort of like if you imagine a canal, and there's a obstruction in the canal. When the obstruction moves forward the "water" or in this case "nothing" is now where the obstruction "electron" was. In t
Let me blow everyone's mind by pointing out that in even elementary circuit analysis, the intention sometimes is to solve for currents which do not even physically exist in the actual circuit: loop c