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Re: Magnets
Original poster: "Antonio Carlos M. de Queiroz by way of Terry Fritz <twftesla-at-qwest-dot-net>" <acmq-at-compuland-dot-com.br>
Tesla list wrote:
>
> Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>
> But, "Static" electric charges have no magnetic field. Your hair may stand
> on end and all that to show the very intense electric fields, but no
> magnetic... Sorry, couldn't resists :oD
Hummm. But the person with the electrized hair is on the Earth
surface, that moves at a considerable speed, and the Earth moves
around the Sun even faster, and the Sun carries the Earth along
even faster... Some magnetic field must exist. or, if it doesn't,
why? Einstein started with questions like this.
(Couldn't resist too...)
Returning to the original question, the electromagnet is always
an electromagnet. Electromagnetic radiation is -always- associated
with a magnetic of an electric field that is changing. Just
turn on or off your DC electromagnet and you will hear a "click"
in a nearby radio receiver.
Antonio Carlos M. de Queiroz