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Current through coils
Richard,
After that response all I can say is, this newsgroup is sure good for entertainment. 73, Gene W4SZ Richard Harrison wrote: Roy Lewallen, W7EL wrote: "Now explain how you`d do it with a box having only two terminals--" I`ll give the mathematician`s answer: "It`s of no interest. It`s already been solved." Cecil said he would put a coil in the box. I agree. Retardation between incident and reflected waves in each direction would in most cases cause a current difference between the two ends of the coil. Unlike the usual transmission line, the wire is coiled to get reactance into a small space. The effect is the same in that phase shift is distributed along the length of the wire. There is just more of it and and the intervals between maxima and minima are short. Impedance and therefore voltage along the vire is a function of site along the wire. There will be a standing wave pattern throughout the coil. Best regards, Richard Harrison, KB5WZI |
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