Question: Ch 2 4 : 5 5 At the security area, people walk through a large coil of wire and through a weak alternating magnetic field.

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At the security area, people walk through a large coil of wire and through a weak alternating magnetic field. What is the result of a small piece of metal on a person that slightly alters the magnetic field in the coil?

Group of answer choices

It overloads the coil with a high voltage current

An anomalous current on the coil that triggers an alarm

It shuts off the magnetic field

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