The Principle of Metal Detector - News

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The magnetic field can induce eddy currents inside the metal object. Eddy currents also produce a magnetic field that, in turn, affects the original magnetic field, causing the detector to emit a song.

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The Principle of Metal Detector

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2017-07-05
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The metal detector uses the principle of electromagnetic induction to produce a rapidly changing magnetic field by using coils passing through alternating current. aec500c conveyor metal detector

The magnetic field can induce eddy currents inside the metal object. Eddy currents also produce a magnetic field that, in turn, affects the original magnetic field, causing the detector to emit a song.

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