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From: Thomas Heger <ttt_heg@web.de>
Newsgroups: sci.physics.relativity,sci.physics,sci.math
Subject: Re: Scalar waves
Date: Sat, 11 May 2024 08:12:33 +0200
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Am Mittwoch000008, 08.05.2024 um 10:20 schrieb Tamerlane Oldfart Lefévre:
> Thomas Heger wrote:
> 
>>> "entire wire"?? you must be kidding, this usenet user doesn't know what
>>> a current is in physics. But that's also related to time, said above,
>>> and you cannot "ignore" anything, once directly not related, but
>>> connected. Just as a translation of pig from engilsh to swine in
>>> gearmon. It's the same pig,
>>> you eat alot. How many pigs did you eat along your journey?
>>
>> Well, actually I mean: the Ampere addresses the current in a conductor,
>> which is usually a wire.
>> There Ampere does not say, whether the wire is thick or thin, or whether
>> or not the current distributes evenly within the wire.
>> If you have a wire with a current of 1 A, you don't mean the
>> distribution of the current within the conductor, but the sum of all
>> small partial currents within that wire.
> 
> me frendo, that's irrelevant for the problem in case, at any point at any
> time you measure the same current along a wire. That you think that more
> Coulombs go through a wire "where is thinner", this is false. But that's
> not the point. As I remember Q=It, which is charge equals the current times
> time. I related to space, t related to time.
> 
I actaually wrote, that the thickness of a wire is irrelevant for the 
measure 'current strength'.

If you like to include the diameter of the wire, you get a different 
measure, which is called 'current density'.

Both measures are -btw- not always constant in time.

....

TH