Electron flow

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Re: Electron flow

"The energy in a circuit "is" the energy of the electromagnetic field".
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Sparks1, if you want to look at it this closely you're going to first need to understand a few things.


[1]"Electric fields" and "magnetic fields", although closely related, are not the same thing.

[2]The energy in a circuit comes from the source. The bicycle tire analogy is good for this concept. When somebody is cranking the peddles to make the tire spin, and you put pressure against the tire, the person cranking the peddles will fell the same added resistance to his effort as a generator will when more load is added.

[3]All electrons have the same negative charge. That chagre creates an "electric field". Like charges (as the ones electrons have) repell each other, through their electric fields.

[4]An electron, through it's electric field, pushes against the next electron to cause the force on the first electron to be transmitted to it, the next, and so on. The electrons and their electric fields are only the medium in transmiting the energy. No energy in a circuit originates with an electron.

Of course there's other stuff, but, which of these concepts is giving you the most trouble?
 
Re: Electron flow

I believe that the energy associated with an electrostatic field is potential energy, and the energy associated with the electomagnetic field is kinetic energy.
 
Re: Electron flow

With out getting into more of a conversation than I am willing to, I will not get into the discussion of electron flow. I will go as far as to say that for current to flow electrons have to move, how or how fast, I leave up to designers.
What I do want to jump in is this static and kinetic part of electricity.
A question that is on one of the test that I give is, ?can a person feel static electricity??
The answer is no, static electricity must become kinetic or dynamitic before we can feel it. The word static means still or not moving.
Therefore, Rattus, I am in full agreement with your statement above.
 
Re: Electron flow

jw,
I would disagree on one point. You can feel a static field. Put the back of your hand to a TV screen and feel the hairs pulled toward the screen. I have heard of similar experiences just before a lightning strike. Still, I have never heard of any injury from an electric field alone.
 
Re: Electron flow

I believe that the energy associated with an electrostatic field is potential energy, and the energy associated with the electomagnetic field is kinetic energy.
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Or Volts and Amps respectively.
 
Re: Electron flow

Yes I have used a poor example with ?feel? I should have been more clear in that static electricity will not have current flow until it becomes kinetic or dynamitic. Static means still. As Sam has pointed out, volts is static and current is kinetic or dynamitic.
By the way Sam I will be keeping an eye on the proposal thread. I need your help there.
 
Re: Electron flow

Originally posted by physis:


Of course there's other stuff, but, which of these concepts is giving you the most trouble? [/QB]
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Physis,
To answer your question
Is it the flowing electron or the propagating field.

I know of course you can't answer this question.
 
Re: Electron flow

Edit: Never mind!

[ February 27, 2005, 12:11 AM: Message edited by: physis ]
 
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