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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 ...

www.physicsclassroom.com/class/estatics/Lesson-4/Electric-Field-Lines

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?

www.wyzant.com/resources/lessons/science/physics/magnetism

Recall that fields are just constructs we use to understand these ideas: we can't see ... If a charge is moving it still has an electric field, it is just that the electric field is only ... How magnetic fields lines are generated from moving charge sources is ... magnetic fields are with moving neutral particles (since they have no charge, ...

physics.ucf.edu/~roldan/classes/Chap27_PHY2049.pdf

magnetic field lines just like you drew electric field lines. - Magnetic north and .... F does not have a component parallel to particle's motion → cannot do work. - Motion of a ... Bainbridge was able to construct a device that ... After this, in the region of B' particles with m. 2. > m. 1 ... Potential Energy for a Magnetic Dipole: dqp. =.

www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields/magnetic-field-current-carrying-wire/a/what-are-magnetic-fields

Figure 3: Magnetic field lines around a bar magnet visualized using iron filings. ... have been used for navigation (using the earth's magnetic field) since the ... Very accurate measurement of small magnetic fields has only been practical since the ..... Because of this field lines cannot and will not cross if it wants to have a ...

nationalmaglab.org/education/magnet-academy/try-at-home/draw-magnetic-field-lines

Mar 28, 2016 ... Magnets have two poles; the field lines spread out from the north pole and circle back around to ... You've just drawn one magnetic field line!

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 .... Since energy cannot be destroyed, would it be possible to use utilised energy? .... We have just finished a major refurbishment of the JET machine, where all the old .... How much will constructing a plant that creates fusion power cost?

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

region cannot be obtained since there is no closed form solution for the non-force -free, .... region field and the plasma it contains, by reconstructing the coronal field using a novel ... indicates that magnetic field energy (derived from the line-of -sight field only) is not sufficient to produce the active region corona. The radial ...

www.who.int/peh-emf/project/mapnatreps/nznrl_emfbooklet2008.pdf

This booklet relates only to electric and magnetic fields around power lines, electrical wiring and appliances. Do they present health risks? Most research into  ...