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Questions related from Frederick David Tombe
Consider a single phase AC power supply, feeding electricity into two long conducting wires of infinite length. Now put in a full-wave rectifier so as to make one of the conducting wires...
14 May 2025 4,822 7 View
The so-called Lorenz gauge, in SI units, takes the form, ∇·A + (1/c2)∂ψ/∂t = 0, where A is the magnetic vector potential and ψ is the electrostatic scalar potential. But what has it got to do with...
30 December 2023 2,318 12 View
A horn antenna, usually used in connection with the UHF and microwave frequency range, is a transducer which operates on the same principle as the acoustical horn. Can we connect such antennae...
05 August 2022 796 100 View
According to the attached paper, dated 1977, in the American Journal of Physics, by Professor P.D. Gupta of Purdue University, a Lorentz transformation analysis of the longitudinal Doppler shift...
28 September 2020 7,641 32 View
There are many applications of electric circuit theory where the circuit is closed by connecting a wire to Earth. Does anybody have any comments to make on the physical nature of electric current...
05 September 2018 6,079 22 View
I don't doubt that astronomers have accurately measured the perihelion advance of the planet Mercury. But in order to claim that it is not as would be expected under Newtonian law, we would need...
07 June 2018 4,146 5 View
Relativistic mass is a velocity dependent mass, and if we use it in Newton's second law of motion in relation to a given force, it means that as the velocity increases due to acceleration, the...
01 January 1970 10,131 58 View
The original Latin version of Newton's three laws of motion is attached. The English translation can be found at page 83 in this link,...
01 January 1970 7,309 1 View
It's generally believed that the direction of electric current is merely a matter of convention and that there is no specific significance to the direction of electron flow in a metal conducting...
01 January 1970 8,723 15 View
In his 1907 article, "Man's Greatest Achievement", Tesla equates the imperceptible primary substance with the luminiferous aether. It is now suggested that the luminiferous medium, which is the...
01 January 1970 7,087 17 View
In the third equation in the 27th September 1905 addendum to Einstein's main paper, https://www.fourmilab.ch/etexts/einstein/E_mc2/e_mc2.pdf Einstein adds the two halves of the transformed...
01 January 1970 4,251 55 View
Is it just a serious case of terminological confusion, or is the nomenclature actually correct? Regarding the Cantalloc Aqueducts near Nazca in Peru, I see those spiral structures as "Air Wells"...
01 January 1970 795 0 View
In a closed AC circuit, while the electrons on each limb return during each half cycle, the power doesn't return. Net power is fed into the circuit during each half cycle. In the case of single...
01 January 1970 2,664 7 View
I'm working on the premises that the Minkowski metric tensor is a purely electromagnetic phenomenon which originates from the physical structure of the electromagnetic wave-carrying medium. As...
01 January 1970 9,943 23 View
The inertia tensor in both three dimensions and seven dimensions can always be transformed into diagonal form. This means that any fixed array of particles has three mutually perpendicular...
01 January 1970 565 0 View
