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## Re: Relation

 Subject: Re: Relation Alan B Fri, 04 Aug 2006 06:35:22 -0700 sci.electronics.basics
 ```On Fri, 04 Aug 2006 12:50:05 GMT, in message <1oHAg.7829\$gF6.3061@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>, scribed: >I kinda like this answer, especially the note on the bottom. The term Q in >the equation seems to relate the speed to the type of material. The speed of what, exactly? > BTW light >doesn't travel at the speed of light (in a vacuum) when it encounters a >"transparent" material. This is for any of you dorks who were going to try >to tell me that electricity travels at the speed of light. Who, precisely please, in this forum, ever said such a thing? >--------------------------------------------------------------------- >Posted by killians45 on 01-26-2005 05:44 PM: > >actually, I am as fast as the speed of light... maybe a little faster... >anyhow, back to the question. Electric current is slow moving and actually >almost sits there and vibrates (thus exciting from one electron to the >other). Energy flow, on the other hand, is very fast (and yes, there IS a >difference). To say how fast is rather hard, because the speed of the energy >flow is related to the value of the current... small current = low speed >energy flow and vice-a-versa. That's just one thing that affects the speed. >The size of the wire (listed above) also does. To find out the speed have to >know the amperes, wire diameter/radius, and how many moving electrons per >cubic centimeter. Once you have this the formula is: > >I = amperes >D = wire diameter >Q= moving electrons per cubic centimeter >e = charge per electron > >cm/sec = I / Q x e x R ^2 x pi > >this is for DC Did you read this quoted passage? >-- >If you argue with an idiot he will drag you down to his level and beat you >with experience. This part of the quote is probably the most apropos statement with regards to follows-up to your posts. > wrote in message >news:LBEAg.7751\$gF6.5968@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx >> Do you remember the speed of electricity in copper? Was it 1/2 light >speed? OK, I've asked three simple questions. Do you have what it takes to simply answer them, without the troll's recourse to obfuscation, misdirection, and insult? I bet not. After all, you're still unable to stop top-posting. It's such a simple thing, really, yet you're not able to grasp the concept. ```
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