General > General Technical Chat
"Veritasium" (YT) - "The Big Misconception About Electricity" ?
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adx:
The immediate pulse (first ~100ns) has the same "very slight lift" visible in AlphaPhoenix's result. Also the simulation replicates his lower than expected DC return (first ~100ns) to some extent. If you curve fit the blue line up a little higher, that effect is even stronger.
SandyCox:

--- Quote from: Sredni on January 10, 2022, 12:00:03 pm ---Can you zoom in in the first ten nanoseconds, to see how well they match?

--- End quote ---
We can’t expect them to match. Transmission line theory cannot be used to model the initial 1m/c delay. I mentioned this in my previous posts.
adx:

--- Quote from: Sredni on January 10, 2022, 12:00:03 pm ---Can you zoom in in the first ten nanoseconds, to see how well they match?

--- End quote ---

SandyCox beat me to it, but there has to be a first time for everything*, ere tis: SMH.

* untrue, but less illogical than saying things like "I'm sure it's right, but...".
SandyCox:
If COMSOL change the resistance of the bulb to 718 Ohm then half the battery voltage will appear across the bulb after 3.3 ns.
Sredni:

--- Quote from: SandyCox on January 10, 2022, 12:28:00 pm ---
--- Quote from: Sredni on January 10, 2022, 12:00:03 pm ---Can you zoom in in the first ten nanoseconds, to see how well they match?

--- End quote ---
We can’t expect them to match. Transmission line theory cannot be used to model the initial 1m/c delay. I mentioned this in my previous posts.

--- End quote ---

We both know they do not match. I just wanted to see if you can show just the first ten nanoseconds to see how much they do not match.
(This, as well has been debated in previous posts - but it would be nice to see it graphically)
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