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Use of the vehicle detector in a magnet

by:Newland     2020-03-17
And Chinese found in nature in ancient Greece there is a natural to be magnetized rocks as magnets, a thin plate, they can absorb magic and always points to the same direction after random oscillation, we Chinese people are just using the characteristic of the magnet invented the compass, used to tell direction on the sea, is one of the four great inventions of ancient China. Below for strong magnet picture magnet can attract not only contains iron material, also can attract containing cobalt and nickel material, we can use the properties of the magnet to produce a detector, if there are any iron material, will send drops dripping sound. Detectors ready, how to use? The dynamic vehicle detector are derived from the nature of the magnet. Magnets attract each other with iron on the controller, make wire connected with iron, therefore, circuit is conduction, buzzer sounded. Note: when using the detector, is to make a magnet attracts iron metal in contact with the conductor, this circuit can get through, if just the magnet to absorb iron metal, no contact with the conductor, the buzzer sound, no because of ferrite magnet cannot conduct electricity. See more magnet industry news: WWW. 勇气, 磁铁。 com/news/news_5_1。 HTML magnet application related articles; Ferrite conductive? What kind of material of ferrite can be conductive? The types and basic knowledge and application of the magnet is introduced
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