How does a permanent magnet work?

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Issue:

Science

 

Written by:

Tammy W

 

Date added:

May 17, 2014

 

Level:

University

 

Grade:

C

 

No of pages / words:

2 / 458

 

Was viewed:

8898 times

 

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Essay content:

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 angular momentum...
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The motion of the electron produces a current, which in turn generates a tiny magnetic field in the direction given by the angular momentum. Thus an atom can behave like a dipole, meaning "two poles". The direction of the orbital and spin angular momentum of the electron determine the direction of the magnetic field for the electron and the entire atom, thus giving it "north" and "south" poles...
displayed 300 characters

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