Ecuatiile Maxwell Modificare · Istoric · Talk (0) Ecuațiile lui Maxwell. A nu se confunda cu relațiile lui Maxell din termodinamică. Relațiile lui Maxell. Ecuatiile lui Maxwell in teoria unitaria neolonoma. Front Cover. Gheorghe Vranceanu. Institutul de arte grafice si editura Glasul Bucovinei, – 10 pages. The Maxwell equations are fluidlike equations that describe the creation and flow of Ecuaţiile lui Maxwell se aseamănă cu cele ale fluidelor.
|Genre:||Health and Food|
|Published (Last):||12 September 2007|
|PDF File Size:||1.3 Mb|
|ePub File Size:||19.66 Mb|
|Price:||Free* [*Free Regsitration Required]|
For the history of the equations, see History of Maxwell’s equations.
Ecuatiile Maxwell 1.png
Login or register free and only takes a few minutes to participate in this question. It can be proven that any system satisfying Faraday’s law and Ampere’s law automatically also satisfies the two Gauss’s laws, as long as the system’s initial condition does.
The very complicated and granular bound charges and bound currents, therefore, can be represented on the macroscopic scale in terms of P and Mwhich average these charges and currents on a sufficiently large scale so as not to see the granularity of individual atoms, but also sufficiently small that they vary with location in the material.
This reduces the four Maxwell equations to two, which simplifies the equations, although we can no longer use the familiar li formulation.
Electromagnetic tensor eecuatiile tensor. Asa ca in principiu, orice lucru care poate fi conceput cu o teorie a fluidelorel poate fi conceput la fel de bine si cu o teorie de tip electrodinamic de vreme ce ecuatiile fundamentale sunt identice dpv matematic si descriu obligatoriu fenomene si comportari functionale analoage intre ele.
The equations have two major variants.
ecuaţiile lui Maxwell – English translation – Romanian-English dictionary
Time dilation Mass—energy equivalence Length contraction Relativity of simultaneity Relativistic Doppler effect Thomas precession Ladder paradox Twin paradox. This was a major source of inspiration for the development of relativity theory. In terms of field lines, this equation states that magnetic field lines neither begin nor end but make loops or extend to infinity and back.
In applications luii also has to describe how the free currents and charge density behave in terms of E and B possibly coupled to other physical quantities like pressure, and the mass, number density, and velocity of charge-carrying particles. Finite Element Methods for Maxwell’s Equations. Often, the charges and currents are themselves dependent on the electric and magnetic fields via the Lorentz force equation and the constitutive relations.
Each table describes one formalism. For the equations in special relativitysee classical electromagnetism and special relativity and covariant formulation of classical electromagnetism. This page was last edited on 31 Decemberat This perpetual cycle allows these waves, now known as electromagnetic radiationto move through space at velocity c. Brans—Dicke theory Kaluza—Klein Quantum gravity. By the Gauss Divergence Theorem, this means the rate of change of charge in a fixed volume equals the net current flowing through the boundary:.
The integral ecuatiike relates fields within a region of space to fields on the boundary and can often be used to simplify and directly calculate fields from symmetric distributions of charges and currents. Even the linear case can have various complications, however.
You can request verification for native languages by completing a eecuatiile application that takes only a couple of minutes. Accelerator Astroparticle Nuclear Quantum chromodynamics.
The static electric field points away from positive charges and towards negative charges, and the net outflow of the electric field through any closed surface is proportional to the charge enclosed by the surface. He also first used the equations to propose that light is an electromagnetic phenomenon.
The speed calculated for electromagnetic waves, which could be predicted from experiments on charges and currents, [note 2] exactly matches the speed of light ; indeed, light is one form ecuatiile electromagnetic radiation as are X-raysradio wavesand others.
Owen’s Basic Theoretical Physics Springer —the term effective charge is used instead of total chargewhile free charge is simply called charge. Close and don’t show again Close. Propagation of Electromagnetic Signals. The equations are named after the physicist and mathematician James Clerk Maxwellwho between maxwrll published an early form of the equations that included the Lorentz force law.
Schwinger 18 June For the equations in general relativitysee Maxwell’s equations in curved spacetime.