security alarm rings when we carry iron objects through the security check point why?
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Answered by
22
Answer:
Security alarms have metal detectors, as every particle in the universe posses a gravitational field around itself, iron aslo possesses that field which can also be termed as magnetic field. That magnetic field generates a magnetic flux so by ringing the security alarm
Answered by
8
Answer:
Explanation:
Security check alarms works on principle of electromagnetic induction. During security check, people are made to walk through a large upright coil of wire which produces a week AC(alternating) magnetic field.
If we are carrying a significant quantities of iron,the magnetic flux linked with the large coil changes and induced current generated in the coil triggers and alarm.
Hope this helps you!
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