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ALL ABOUT PERMANENT MAGNETS
NEW MAGNETIC ALLOYS AND COMPOSITIONS
In this section you will find exhaustive information about permanent magnets . You will get acquainted with the theoretical material on permanent magnets , the technology of their manufacture, a variety of permanent magnets , as well as technical parameters.
This information is taken from various sources and will be regularly updated on a regular basis.
Magnetic phenomena have been known since ancient times. However, a systematic study of them began around the end of the XVI century . Until the beginning of the XIX century.
Magnetic phenomena were studied in isolation from electrical phenomena. For the first time the connection between electric and magnetic phenomena was discovered in 1820 by Oersted . The discovery of H. K. Oersted aroused great interest, and many physicists of that time began to intensively study electromagnetism . Ampere 's numerous discoveries deserve special attention. For example, at the end of 1820 he discovered the law of interaction between conductors and current.
According to modern views, the interaction of conductors with current is due to the action of a neighboring conductor on the charged particles moving in them.
Determination of the magnetic field
A magnetic field is one of the types of matter, the characteristic manifestation of which is the force action on a moving electric charge (current), located in the region of space occupied by this kind of matter.
A magnetic field is the state of space that manifests itself as the action of magnetic forces . A magnetic field arises around any current. Moreover, it is the magnetic field that does not depend on any properties of conductors from the three properties of current (thermal, chemical, magnetic ) and is an inseparable companion of any electric current.
Permanent magnets are:
- Of natural origin
- Of artificial origin
Permanent magnets of natural origin include some iron ores.
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