Term Papers on How Does A Permanent Magnet Work? from Term Papers Lab.
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Some materials have a feature known as ferromagnetism. The prefix "ferro" refers to Iron, which is one such material. Ferromagnetic materials have the ability to "remember" the magnetic fields they have been subjected to.
An atom consists of a number of negatively charged electrons, orbiting around a positively charged nucleus. These electrons also possess a quantity known as spin, which is roughly analogous to a spinning top. The combination of orbital and spin motions is called the angular momentum of the electron. Angular momentum is perhaps most easily understood in the case of the Earth: The earth spins about a central axis, which means it at has an angular momentum around that axis. The planets also have an angular momentum as they revolve about the sun.
Now, the angular momentum of an electron is a vector quantity, meaning it has direction. The motion of the electron produces a current, which in turn generates a tiny magnetic field in the direction given by the......
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Title: How Does A Permanent Magnet Work?
Approximate Word Count: 522
Approximate Pages: 3 (250 words per double-spaced page)
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How Does A Permanent Magnet Work?
How does a permanent magnet work? Some materials have a feature known as ferromagnetism.
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