Help


[permalink] [id link]
+
Page "Electricity" ¶ 38
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

field and lines
The lines are asymmetric and over the range of field Af gauss and temperature Af the asymmetry increases with increasing Af and decreasing T.
Therefore, the congruence of its secants, that is the image of a general plane field of lines, is of order Af and class Af.
Finally, the image of a general bundle of lines is a congruence whose order is the order of the congruence of invariant lines, namely Af and whose class is the order of the image congruence of a general plane field of lines, namely Af.
The curl of a vector field F, denoted by curl F or ∇ × F, at a point is defined in terms of its projection onto various lines through the point.
It is characterized by the Meissner effect, the complete ejection of magnetic field lines from the interior of the superconductor as it transitions into the superconducting state.
The magnetic field can be visualized as a pattern of circular field lines surrounding the wire.
; Single: Scored when the ball becomes dead in the possession of a team in its own goal area, or when the ball touches or crosses the dead-line, or side-line-in-goal, and touches the ground, a player, or some object beyond these lines as a result of the ball having been kicked from the field of play into the goal area by the scoring team.
Part of the Fremen / Atreides strategy is to wait until a sandstorm shorts out the force field shields of the Harkonnen / Imperial transport ships, disable them with projectile weapons, and then attack with a vast assault force, using giant sandworms under cover of the severe weather to break the enemy lines.
Electric field lines of two opposing charges separated by a finite distance.
Magnetic field lines of a ring current of finite diameter.
Since the direction of an electric field is defined as the direction of the force on a positive charge, electric field lines point away from a positive charge and toward a negative charge.
The field lines, which are horizontal rings around the axis of the vertically oriented dipole, are perpendicularly crossing the x-y-plane of the image.
One set of odd or even lines is referred to as a " field ", and a consecutive pairing of two fields of opposite parity is called a frame.
The field may be visualised by a set of imaginary lines whose direction at any point is the same as that of the field.

field and are
In contrast to cocktail parties, military organizations, even in the field, are more formal.
For example, there are persons who are in physical science, in the field of mineralogy, trained in crystallography, who use only X-rays, applying only the powder technique of X-ray diffraction, to clay minerals only, and who have spent the last fifteen years concentrating on the montmorillonites ; ;
In the field of the natural sciences, scientifically verified data are quite readily available and any discussion can be shortened with good results.
Some historians have found his point of view not to their taste, others have complained that he makes the Tory tradition appear `` contemptible rather than intelligible '', while a sympathetic critic has remarked that the `` intricate interplay of social dynamics and political activity of which, at times, politicians are the ignorant marionettes is not a field for the exercise of his talents ''.
In the field of political values, it is certainly true that students are not radical, not rebels against their parents or their peers.
Some brilliant rookies nailed them down, so that this spring just two spots, left and right field, are really up for grabs.
The activities of the Planning Division are defined in considerable detail in the enabling act of the Development Council, which assigns to the agency both broad responsibilities and specific duties in the field of planning.
In support of the emphasis placed by the Department of Defense on instruction in emergency medical care, the Medical Illustration Service developed casualty simulation kits and rescue breathing manikins which are being field tested ; ;
In the industrial field, prospects for higher expenditures on electronic testing and measuring equipment are also quite bright.
Your competition is now proportionately greater -- you are competing not only against manufacturers in the same field but also against a vast array of manufacturers of other appealing consumer products.
In the period since the end of World War 2, -- a period coinciding with merchandising demands for the colorful, the unusual, and the original in signs and displays -- plastics have come on so strong that today they are the acknowledged leaders in the field.
Currently, there are some 6000 companies in the field, ranging from small firms with a handful of employees to major concerns having complete facilities for production of metal, electrical, and plastic components.
Among the newest fabrication methods to enter the display field are expandable styrene molding and blow molding.
New to the field is a duplex type butyrate laminate in which the two sheets of the laminate are of different color.
new panels are exchanged for the old right in the field on a single trip.
No matter if your children are at the movies, in school, visiting their grandmother, or on a field trip in some distant city, they will be upon you magically within seconds after you pick up the phone.
Oversized monsters are never brought home either alive or preserved, and field measurements are obviously open to doubt because of the universal tendency to exaggerate dimensions.
field measurements by experienced explorers are not rejected, and even reports of a less scientific nature are duly evaluated.
These are as follows: ( 1 ) field work procedures.
People today are aware of the value of orthodontics, and as a result there are more practitioners in the field.

field and paths
Positron paths in a cloud-chamber trace the same helical path as an electron but rotate in the opposite direction with respect to the magnetic field direction due to their having the same magnitude of charge-to-mass ratio but with opposite charge and, therefore, opposite signed charge-to-mass ratios.
Atom probes are unlike conventional optical or electron microscopes, in that the magnification effect comes from the magnification provided by a highly curved electric field, rather than by the manipulation of radiation paths.
An electric field has the special property that it is conservative, which means that the path taken by the test charge is irrelevant: all paths between two specified points expend the same energy, and thus a unique value for potential difference may be stated.
Stueckelberg was motivated by the need for a manifestly covariant formalism for quantum field theory, but did not provide as automated a way to handle symmetry factors and loops, although he was first to find the correct physical interpretation in terms of forward and backward in time particle paths, all without the path-integral.
A Feynman diagram is a representation of quantum field theory processes in terms of particle paths.
When such a magnetic field is absent, the charges follow approximately straight, ' line of sight ' paths between collisions with impurities, phonons, etc.
However, when a magnetic field with a perpendicular component is applied, their paths between collisions are curved so that moving charges accumulate on one face of the material.
Paramagnetic properties are due to the presence of some unpaired electrons, and from the realignment of the electron paths caused by the external magnetic field.
By particles, Feynman meant objects which travel along paths, elementary particles in a field theory.
Magnetic confinement fusion devices exploit the fact that charged particles in a magnetic field feel a Lorentz force and follow helical paths along the field lines.
A similar situation occurs in the signal processing paths of detection systems that record the electric field directly.
In the 1960s it was found that the source of the electrons ' curved paths was the strong magnetic field produced by a neutron star at the center of the nebula.
Projected improvements include an additional baseball field, parking area, jogging paths, nature walks, a skate park, and much more.
He then led his army on a tortuous march along muddy paths, arriving on the field of Waterloo in the late afternoon.
The entire chamber is subject to a constant magnetic field, which causes charged particles to travel in helical paths whose radius is determined by their charge-to-mass ratios and their velocities.
In these experiments, the chamber is subjected to a constant magnetic field which causes charged particles to travel in helical paths ; the radius and direction of which correspond to the ratio of electric charge to inertial mass.
By constructing a situation in which the electrostatic potential varies for two paths of a particle, through regions of zero electric field, an observable Aharonov – Bohm interference phenomenon from the phase shift has been predicted ; again, the absence of an electric field means that, classically, there would be no effect.
Existing field paths were used as streets of the camp and surrounding buildings as the administration, kitchen and hospital.
Quantum field theories involve quantities that when explained to non-experts are commonly described as representing intangible ideas like probabilities and possible paths that a quantum could take to get from one place to another.
It follows field paths, through the small villages of Airton and Hanlith to the larger village of Malham.

0.328 seconds.