Topic: Permanent Magnet
Not finding your answer? Try searching the web for Permanent Magnet
Answers to Common Questions
What is a Permanent Magnet?
A permanent magnet retains its magnetic energy even after it is removed from its magnetic field. An excellent example of this type of magnet is a refrigerator magnet, which remains magnetized due to its own persistent magnetic field.You can... Read More »
Source: http://answers.ask.com/Business/Other/what_is_a_permanent_magnet
How to Neutralize a Permanent Magnet
Permanent magnets are created from ferromagnetic substances. A substance is ferromagnetic if it possesses magnetization outside of the presence of an external magnetic field. The most common types of ferromagnetic substances are iron, nicke... Read More »
Source: http://www.ehow.com/how_6073547_neutralize-permanent-magnet.html
How to Strengthen a Permanent Magnet
Some products use magnetism in their construction. Magnetic earrings or aquarium cleaning products, for example, often employ two strong magnets to hold parts of the product together, allowing them to cling to the ear or slide up and down a... Read More »
Source: http://www.ehow.com/how_6501964_strengthen-permanent-magnet.html?...
Featured Content:
Permanent Magnet
More Common Questions
Answers to Other Common Questions
A permanent magnet is a piece of metal that holds onto magnetic properties outside the presence of an external magnetic field. Describing them as permanent is not quite accurate, however. Although "permanent" magnets are able to retain thei...
Read More »
Source: http://www.ehow.com/how_6076349_restore-permanent-magnet.html
In general, even with ferromagnetic materials, the magnetic fields generated by electron movement and the intrinsic magnetic fields from the electrons cancel out. Because these electrons move at random, basic probability dictates that their...
Read More »
Source: http://www.ehow.com/how_4968674_what-makes-magnet-work.html
A wire loop that cuts the field lines of a magnet experiences an electromotive force (EMF) so that electrons move in a current within the wire, according to "Fundamentals of Physics," written by David Halliday and Robert Resnick. This pheno...
Read More »
Source: http://www.ehow.com/how_5880268_make-electricity-permanent-magnet...
Michael Faraday invented the principle of the electric motor in 1821. Several inventors tried turning this theory into a practical working model in the years afterward. However, the first truly practical electric motor was not invented unti...
Read More »
Source: http://www.ehow.com/how_6711657_build-permanent-magnet-motor.html...
A motor with permanent magnets rather than field coils A: A non-functional contraption often peddled as a free-energy generator.
Read More »
Source: http://wiki.answers.com/Q/What_is_a_permanent_magnet_motor
There are many applications of permanent magnets. Many children's toys have magnets to hold parts together, for example small trains. There was a game called pick-up sticks done with magnets. Apple Computer Co uses magnets to hold the power...
Read More »
Source: http://wiki.answers.com/Q/What_are_the_applications_of_permanent_...
