What is your EM crankosity?
in [Relativity]
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From: doug on 22 Sep 2009 18:44 Benj wrote: > On Sep 22, 12:28 pm, doug <x...(a)xx.com> wrote: > >>Benj wrote: > > >>>You are worse than a fool. You are a politician! >> >>This is what passes for a scientific argument from benj. > > > Yawn. Same old. > > Still waiting for YOUR "expert" "educated" "Intelligent" answers to > the questions, "Doug"! > > <Benj picks his teeth> This is what passes for a scientific argument from benj. > >
From: blackhead on 22 Sep 2009 18:59 On 22 Sep, 02:43, doug <x...(a)xx.com> wrote: > susan wrote: > > "Benj" <bjac...(a)iwaynet.net> wrote in message > >news:5e383309-0232-4441-9a7e-81e9c752d378(a)f10g2000vbf.googlegroups.com.... > > >>Are you a Maxwell loon? > >>How well do you understand Maxwell's equations? > >>Ten easy questions to measure your kookosity: > > >>1. An electromagnetic plane wave in free vacuum consists of a > >>sinusoidal electric > >>field and a sinusoidal magnetic field at right angles to it. These > >>fields are delayed > >>90 degrees from one another such that energy oscillates between them > >>in a > >>manner similar to an LRC circuit where the energy oscillates back and > >>forth > >>between capacitor storage and inductor storage. (true, false?) > > > false - no R component in EM in free vacuum. > > >>2. A magnetic field changing strength in time causes an electric field > >>in space that is > >>capable of producing currents in conductors. The process is called > >>"induction" > >>and is described by Faraday's Law. (true, false?) > > > close, not exact > > >>3. If a conducting circuit that encloses an area under a uniform > >>magnetic field that > >>totally covers the loop is changed in shape to enclose a different > >>amount of > >>magnetic flux, an emf will always be induced in the circuit due to the > >>changed > >>amount of flux. (true, false?) > > > mostly true, as wire crosses lines of flux > > >>4. When instruments measuring E and B (electric and magnetic fields) > >>that are > >>stationary with respect to those fields are placed on a moving > >>reference frame > >>moving with constant velocity with respect to the fields, by > >>relativity, the meters > >>always show the same values regardless of the magnitude of the > >>(constant) > >>velocity of the frame so long as the velocity of the moving frame is > >>much slower > >>than the speed of light. (true, false?) > > > there is an error term. > > >>5. For a point charge moving with a non-relativistic constant velocity > >>(not > >>accelerating) past an observer, the electric field from that charge > >>will be observed > >>to be the same spherical distribution found in electrostatics for a > >>non-moving > >>charge. (true, false) > > > there is an error term > > >>6. According to Maxwell's Equations a time-changing electric field as > >>in a charging > >>or discharging capacitor creates a displacement current through that > >>capacitor and > >>that displacement current creates a magnetic field just as if the > >>capacitor were not > >>there and a wire carrying the current was producing the field. (true, > >>false?) > > > how can you discharge a capacitor with it not being there? > > >>7. It can be shown that if a line charge segment is moving past you as > >>an observer at > >>some constant velocity, that not only does the apparent length of the > >>segment > >>change to the viewer, but by Lorentz contraction at relativistic > >>speeds the actual > >>length of the line charge segment changes as well. (true, false?) > > > trivial > > >>8. It is well known through experiment and observations that > >>electromagnetic waves > >>as predicted by Maxwell's Equations form a spectrum depending on > >>frequency > >>that runs without other changes from low frequency radio waves, up > >>through > >>microwaves, on up to sub-millimeter waves, thence to Infrared light, > >>then visible > >>light, ultraviolet light and on up into X-rays and cosmic rays. > >>(true. false) > > > cosmic rays are various particals, not EM > > >>9. All electromagnetic clocks slow by the same amount as their frame > >>velocity > >>reaches significant relativistic speeds leading to the conclusion that > >>by relativity, a > >>"dilatation" of time takes place that affects all electromagnetic > >>events and even > >>including biological ones. (true , false?) > > > how can one clock effect all time? > > >>10. Electromagnetic waves as described by Maxwell's Equations, > >>propagate through > >>the vacuum of empty space by relationships observed from those > >>equations that a > >>changing electric field creates a magnetic field and a changing > >>magnetic field > >>creates an electric field. These waves are unique in that they do not > >>require a > >>medium to propagate in. (true, false?) > > > trivial, look at the equations. > > Be careful, you are dealing with Benj. He is a crank with > an agenda. He does not know any science but he thinks > he do do clever things. He is also a fool. Benj knows quite a bit about science and more than you, going by the evidence so far. > >>======================= > > >>Hey, Uncle Al, this test's for you! Show us your stuff now so we > >>won't have to call you "idiot"!- Hide quoted text - > > - Show quoted text -- Hide quoted text - > > - Show quoted text -
From: blackhead on 22 Sep 2009 19:01 On 22 Sep, 23:44, doug <x...(a)xx.com> wrote: > Benj wrote: > > On Sep 22, 12:28 pm, doug <x...(a)xx.com> wrote: > > >>Benj wrote: > > >>>You are worse than a fool. You are a politician! > > >>This is what passes for a scientific argument from benj. > > > Yawn. Same old. > > > Still waiting for YOUR "expert" "educated" "Intelligent" answers to > > the questions, "Doug"! > > > <Benj picks his teeth> > > This is what passes for a scientific argument from benj. > > > > - Hide quoted text - > > - Show quoted text -- Hide quoted text - > > - Show quoted text - Go on, Doug, show us how clever and knowledgeable you are by answering Benj's questions.
From: eric gisse on 22 Sep 2009 19:09 blackhead wrote: [...] > > Benj knows quite a bit about science and more than you, going by the > evidence so far. *snicker* [...]
From: eric gisse on 22 Sep 2009 19:11
Benj wrote: > On Sep 22, 12:28 pm, doug <x...(a)xx.com> wrote: >> Benj wrote: > >> > You are worse than a fool. You are a politician! >> >> This is what passes for a scientific argument from benj. > > Yawn. Same old. > > Still waiting for YOUR "expert" "educated" "Intelligent" answers to > the questions, "Doug"! Why? What do you hope to learn from stuff you should be able to answer yourself? > > <Benj picks his teeth> |