Re: [Phys-L] big circuit

[Shahram Mostarshed <smostarshed@gmail.com>]

Radio transmission cannot occur without an electric current. Besides why do
we need a switch if radio transmission occurs spontaneously?

I believe the main point in the video is that we're dealing with
electrodynamics and not electrostatics.


On Sun, Dec 5, 2021 at 8:46 AM Brian Whatcott <betwys1@sbcglobal.net> wrote:

>    - From: Shahram Mostarshed <smostarshed@gmail.com>
>    - Date: Sat, 4 Dec 2021 19:27:34 -0800
> >  Hopefully this video will settle the argument that Veritasium was wrong
> in
> >  implying that energy doesn't flow in wires:
> https://youtu.be/-jJB8dyOJIw >
> >  S. Mostarshed
> >  Physics Instructor, Stanford OHS>
> It may be that Veritasium is wrong in supposing the "radio" transmission
> of energy lights up a lamp immediately, but it is demostrably true that a
> modest fraction of the available energy is transfered to the lamp in
> nanoseconds via transmission line effects.
> In turn, Tycho may have an admirable "physics attitude" in particular when
> he asserts he has  no specialist insight in the field during this video
> expose, but some exposure to transmission  line theory   (which tends to be
> thin in the US) would help him.
> Brian
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