Heaviside worked to eliminate the potentials ( electric potential and magnetic potential ) that Maxwell had used as the central concepts in his equations; but are now universally known as " Maxwell's equations ".
22.
Similarly to attempts to simultaneously include both electric and magnetic potentials in electromagnetism, the dual gauge potentials may not be added to the democratically-formulated Lagrangian in a way that maintains the manifest locality of the theory.
23.
For any charge " q " with vector velocity " v ( t ) ", you can derive an analytic expression for electric and magnetic potentials at all points in space at all times " t ".
24.
It is noteworthy that the thin sheet or screen does not have to be metal, but rather any material that supports a \ vec { J } ( current density vector ) leading to a magnetic potential \ vec { A }.
25.
Many times in the use and calculation of electric and magnetic fields, the approach used first computes an associated potential : the electric potential, " \ varphi ", for the electric field, and the magnetic potential, "'A "', for the magnetic field.
26.
This section presents the spectral domain method for analyzing a free-standing ( no substrate ) PEC FSS . The electric field "'E "'is related to the vector magnetic potential "'A "'via the well-known relation ( Harrington [ 2001 ], Scott [ 1989 ] ):
27.
Writing to a hard drive does not involve adding or removing matter, and as far as I'm aware, the magnetic potential energy of a full hard drive does not differ from that of a blank one .-- Carnildo 23 : 45, 13 November 2007 ( UTC)
28.
In advanced classical mechanics it is often useful, and in quantum mechanics frequently essential, to express Maxwell's equations in a " potential formulation " involving the electric potential ( also called scalar potential ) " ? ", and the magnetic potential ( also called vector potential ) "'A " '.
29.
With practical railgun geometries, much more accurate two or three dimensional models of the rail and armature current distributions ( and the associated forces ) can be computed, e . g ., by using finite element methods to solve formulations based on either the scalar magnetic potential or the magnetic vector potential.
30.
We stayed steadily engaged at iSci, with such activities as putting wires to a clutch of rocks to check their magnetic potential or talking at a whisper with each other from either end of a cafeteria-size room by way of round gray concave listening devices that were the size of satellite dishes.
