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Magnetic field

en.wikipedia.org/wiki/Magnetic_field_lines

A magnetic field is the magnetic effect of electric currents and magnetic materials. The magnetic ..... Magnetic poles cannot exist apart from each other as electric charges can, but always come in ...

Since magnetic field lines are just constructs the field cannot contain ...

www.answers.com/Q/Since_magnetic_field_lines_are_just_constructs_the_field_cannot_contain_energy

Since magnetic field lines are just constructs the field cannot contain energy? ... Magnetic Field Lines Show Magnitude and Direction: When the lines of the ...

Fields in yt — The yt Project 3.3.1 documentation

yt-project.org/doc/analyzing/fields.html

Jul 25, 2016 ... Examples of fields are gas density, gas temperature, particle mass, etc. .... In the case where a data container, here called ad (short for “all data”) contains a field, we ... to on-disk quantities, yt can construct new derived fields from them. .... since the units of the magnetic field in the CGS and MKS system are ...

Could you tell me how the magnetic fields contain the plasma and ...

www.euro-fusion.org/faq/could-you-tell-me-how-the-magnetic-fields-contain-the-plasma-and-how-these-fields-are-set-up-and-powered/

By setting up magnetic field lines toroidally around the interior of the tokamak, the ions and electrons in the plasma are forced to travel tightly around these field ...

Magnetic Math - NASA

www.nasa.gov/pdf/417438main_Magnetic_Math.pdf

Cover: Diagram of magnetic field lines of Earth modeled by Dr. Gary .... students to experience the value of math, instead of just reading about it. ..... them magnetic storms' since they caused the same gyrations of his compass needles ... The students will investigate that magnets are attracted to items that contain metals such.

Magnetic Fields and the Structure of the Solar Corona. I: Methods of ...

adsabs.harvard.edu/full/1969SoPh....9..131A

The theoretical problem is so complex that only the simplest models for the formation ... In the chromosphere and lower corona, where mechanical energy dissipates, large .... The pattern of coronal field lines was then compared with the projected ... Since a potential magnetic field cannot be everywhere radial to a spherical ...

Solar Force-free Magnetic Fields | SpringerLink

link.springer.com/article/10.12942/lrsp-2012-5

Sep 20, 2012 ... For constructing realistic nonlinear force-free coronal magnetic field models in 3D , ... cannot guarantee that the computed coronal magnetic field model and ... because they do not contain free magnetic energy to drive eruptions. ..... model: Only if the scatter in the optimal α values among field lines is small, ....

Constructing the Coronal Magnetic Field by Correlating ...

solarscience.msfc.nasa.gov/papers/garyga/StretchingPaper.pdf

region cannot be obtained since there is no closed form solution for the non-force -free, ... magnetic field lines originate in a high-beta plasma region,. > 1, in .... region field and the plasma it contains, by reconstructing the coronal field using a novel ... field only) is not sufficient to produce the active region corona. The r...

Magnetohydrodynamics modeling of coronal magnetic field and ...

progearthplanetsci.springeropen.com/articles/10.1186/s40645-016-0084-7

Figure 2 b shows the three-dimensional (3D) magnetic field lines traced from the ... in which the magnetic energy dominates that of the coronal plasma, solar flares are .... and cusp-loop structures, observed before and after the flare, respectively. ... They found that only two types of emerging flux can produce a flux tube; this ...

The largest magnetic fields in the universe - Phys.org

phys.org/news/2013-07-largest-magnetic-fields-universe.html

Jul 26, 2013 ... It has been speculated for a long time that enormous magnetic field strengths, ... The actual demonstration that this is possible has only now been ... Since the star is dynamically unstable, it eventually collapses to a black .... cant & axe, ... this, " field lines" are merely a mathematical construct to ...

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Electric Field Lines - The Physics Classroom

www.physicsclassroom.com

Since electric field is a vector quantity, it can be represented by a vector arrow ... Not only does the density of lines surrounding any given object reveal ... Consequently, the lines representing the field cannot cross each other at any given location in space ... But what if a region of space contains more than one point charge?

Introduction to Magnetic Fields - MIT

web.mit.edu

8.6.2 Charged Particle Moving in a Uniform Magnetic Field Movie . .... Figure 8.1. 4 Magnetic field lines due to an infinite wire carrying current I . .... In other words, magnetic force cannot speed up or slow ..... of the charged particle and the magnetic field. B ! . Since B. F ! can do no work, it can only change the direction of v.

Theory of electromagnetic fields

arxiv.org

pressions for the energy density and energy flux in an electromagnetic field. ... are sufficiently complicated that solutions to Maxwell's equations cannot .... Lines of magnetic flux always occur in closed loops; lines of electric field ..... to take additional derivatives of the equations, since this allows us to construct separat...