katieessam katieessam
  • 09-11-2020
  • Physics
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how do metal detcors operate

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servouxreq9 servouxreq9
  • 09-11-2020
Metal detectors work by transmitting an electromagnetic field from the search coil into the ground. Any metal objects (targets) within the electromagnetic field will become energised and retransmit an electromagnetic field of their own.
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