Magnetic Behaviour of Materials

  • Keith L. Watson


As Figure 27.4 (page 263) indicates, there is a region of more or less uniform magnetic field inside a solenoid when it carries an electric current. The flux density can be varied by filling the solenoid with a core of material. So-called diamagnetic materials slightly reduce the flux density and paramagnetic materials slightly increase it. On the other hand, ferromagnetic materials increase it greatly, some by a factor of many thousands.


Permeability Expense Ferro Remanence Reten 


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© Keith L. Watson 1993

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  • Keith L. Watson

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