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On Thu, 29 Nov 2007 22:08:45 -0500, "AI4QJ" wrote:
"Richard Clark" wrote in message .. . On Thu, 29 Nov 2007 20:50:29 -0500, "AI4QJ" wrote: So, in other words you agree Hi Dan, I use my own words, not other words, and certainly not laden with artificial constraints and presumptions. If you want to ask a question without all these drapes, go ahead; it is far simpler, and consumes less bandwidth. 73's Richard Clark, KB7QHC OK, I will ask it like this: On an article at http://www.w8ji.com:80/inductor_current_time_delay.htm the author discusses time delay through an inductor. Do you agree with the following 2 paragraphs in that article: "How does the current travel through the inductor so fast? At first this seems impossible, but the answer is actually quite obvious. Time-varying current gives rise to time-varying magnetic flux. This magnetic flux, since conductor spacing is close and the distance very small, links the starting turn very tightly to the next turn. The rapidly changing magnetic flux causes charges to move in the next conductor, and the changing magnetic field couples through all the close spaced turns with very little time delay. It is this magnetic flux coupling that provides the primary mechanism for energy transfer through the inductor, and the path is much shorter than the circuitous and much longer path along the conductor." The close spacing of the coils reduces the time delays because the current is "pushed along" faster. Agree? Not particularly. You got any more questions? 73's Richard Clark, KB7QHC |
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