by Scottish physicist James Clerk Maxwell, when he was studying the nature of magnetism and electricity. The change of energy of a magnetic field in a certain direction corresponds to the force acting in this direction. You can calculate the energy of a magnetic field with the help of the energy product. in the example where the metal is removed again, the energy is refilled. {\displaystyle \mu _{0}} In order for a magnetic field to be generated, one must first work. Simply put, magnetic energy is the energy that operates within a magnetic field. The electrical force or magnetic force will be experienced when a magnetic field occurs. Saturday Sunday When two bodies approach, the energy of a magnetic field is reduced. The additional energy for this would be taken from the input energy, so that the flux linkage to the coil is not affected by the losses and the coil can be treated as an ideal lossless coil. September Also, you cannot break a magnet in half to make the poles connect. http://upload.wikimedia.org/wikipedia/commons/d/d8/Bar_magnet.jpg, http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/elemag.html, http://www.hometrainingtools.com/a/magnet-types-science-teaching-tip, http://books.google.ca/books?id=8n4NCyRgUMEC&pg=PA493&redir_esc=y#v=onepage&q&f=false, https://energyeducation.ca/wiki/index.php?title=Magnet&oldid=6375. Like poles will repel each other while opposite poles attract each other. The energy per unit volume in a region of space of permeability to At each end is where the magnetic energy is the strongest. L What Are Permanent and Temporary Magnets? Consider a system λ

This is magnetic energy similarly as when to two magnets attract.

Recently, scientists at the University of Michigan concluded that it may be possible to use magnetic fields to collect solar energy directly without the need for semiconductors, potentially reducing the cost of solar power [source: EPOnline]. An energy field is a region in space in which a magnetic, electrical, or some other kind of force can be experienced. Magnetic energy and electrostatic potential energy are related by Maxwell's equations. It can be therefore written that the field energy is a function of two mathematically independent variables Now think back to science class and the chapter on magnets.
Magnetic energy and electrostatic potential energy are related by Maxwell's equations. Magnets are important for electric generators because spinning a magnet near a coil of wire produces electricity.

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