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  • When you walk through a metal detector carrying a metal object in your pocket, it raises an alarm. This phenomenon works on :  Option: 1

When you walk through a metal detector carrying a metal object in your pocket, it raises an alarm. This phenomenon works on :
 

Option: 1

Electromagnetic induction
 


Option: 2

Resonance in ac circuits
 


Option: 3

Mutual induction in ac circuits
 


Option: 4

Interference of electromagnetic waves


Answers (1)

best_answer

Metal detector work on the phenomenon of resonance in AC circuits.

Hence (2) is correct option.

Posted by

avinash.dongre

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