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It seems reasonable that if I have an open ended transmission line that the
current would reflect back and change phase. After all, the electrons at the end have nowhere to go but back down the line. However, the voltage is a different matter. There is no phase reversal (or polarization change) There doesn't seem to be an intuitive reason for this. However, if one examines the equations for current and capacitive voltage, then it falls out of the math. Still, where is the non-math that indicates this is true? Now suppose instead the line is short circuited. The voltage returns down the line, and the current does not. In this case, there doesn't seem to be any non-math or intuitive feel for why the short should cause this--either for voltage or current. Can one clue me in on what's really happening above (voltage) and here (voltage and current)? Inquiring minds want to know. Wayne T. Watson (Watson Adventures, Prop., Nevada City, CA) (121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time) Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet -- "I often quote myself - it adds spice to my conversation." - George Bernard Shaw Web Page: home.earthlink.net/~mtnviews |
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