em
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The
baleful effect of the myth of changing E causing H, changing H causing E. |
Ivor Catt 1 June 2011. |
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Electromagnetic
theory started with steady fields, and than progressed to slowly changing fields,
for instance in the case of Faraday discovering electromagnetic induction. We
can think of Faraday's experiment involving moving a magnet through a coil,
or sending changing current through the primary and detecting current in the
secondary. Since I have nothing to say about magnets, I stay with the
transformer case. http://www.electromagnetism.demon.co.uk/images/7877.jpg In
this case Faraday did not in fact discover that changing magnetic field
caused electricity. Throughout the experiment, TEM waves are involved, and
there is never an isolated electric field or an isolated magnetic field.
Always there is an electromagnetic TEM Wave. There was no interchange between
magnetic energy and electric energy. My article on the transformer as a
transmission line http://www.ivorcatt.co.uk/2631.htm
"It simulates both the two-turn inductor and single-turn
transformer" was rejected for publication by the London IEE/IET, but the
very similar article on the inductor was published by Proc. IEEE. http://www.ivorcatt.co.uk/2631.htm .
(A very rare example of my writing getting past journal referees.) According to
Heaviside, Maxwell proposed Displacement Current in order to get over a
paradox over the magnetic field created near to a charging capacitor. He
proposed that the changing electric field across a capacitor acted like real
electric current in causing magnetic field. He, and everyone including
Heaviside following him all the way up to today (because http://www.ivorcatt.org/icrwiworld78dec1.htm is
ignored) failed to notice that the electric current entering the plate of a
capacitor first has to spread out across the capacitor plate before desiring
to traverse the capacitor. (It is disputed whether Maxwell invented
Displacement Current for this purpose, but Heaviside says that he did; saying
"The heaven-sent Maxwell"). This led to the spurious idea that
changing E field in space causes magnetic field, leading to the false, "Rolling Wave" version of the TEM Wave
pronounced by Einstein and Feynman and virtually everyone else including
(partly) Heaviside. http://www.ivorcatt.org/icrwiworld78dec1.htm . This false
(rolling wave) view of the TEM Wave makes professors and text book writers
unable to grasp the TEM step Wave, which is central to today’s (post 1965
digital electronics) Electromagnetic Theory. http://www.ivorcatt.co.uk/cattq.htm
. Insights gained from high speed digital electronics have not been allowed
to influence or modify Establishment Electromagnetic Theory. Today's reigning
Electromagnetic Theory is not influenced by work in high speed digital
electronics - that is, the step or pulse as opposed to the sine wave which
ruled before 1965. The failure to
grasp the TEM Wave, that is Heaviside's "slab of
energy current", means that professors and text book writers
cannot grasp the obvious flaws in the overall theory which are shown up by
the TEM step Wave. However, it took decades for me to see them, so I should
not complain. Of course, I am entitled to complain about the comprehensive
blocking/censorship of my work. None of the content of any of my six books
now on the www has got into any university course or text book. The photographs
in my 1967 paper clearly show that two electric currents must travel in
opposite directions down a conductor. I failed to notice this for 40 years.
The problem is resolved by "Theory C"; http://www.ivorcatt.com/2_4.htm
"Electric current plays no part in the passage of a TEM step in the
dielectric between two conductors." http://www.ivorcatt.com/2608.htm .
Electric charge and current are merely non-existent mathematical
manipulations of the edge of a TEM Wave or "Energy Current". The
mathematical manipulation of something which is physically real is not
necessarily real. Ivor Catt
1 June 2011 |