Traditional Culture Encyclopedia - Hotel reservation - How can I let the metal on my body escape the scanning of the metal detector? The metal detector doesn't ring!
How can I let the metal on my body escape the scanning of the metal detector? The metal detector doesn't ring!
The metal detector uses the principle of electromagnetic induction to generate a rapidly changing magnetic field by using a coil with alternating current. This magnetic field can induce eddy currents in metal objects. The eddy current will produce a magnetic field, which will affect the original magnetic field and cause the detector to sing.
Answer: Theoretically, a strong electric field can interfere. Or put the metal in a box made of magnets to reduce the chance of being found.
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