Published by:
CGP EDU Academic Team
Published on: September 12, 2026
When you walk through a metal detector carrying a metal object in your pocket, it raises an alarm. This phenomenon works on
Text Solution
Verified by ExpertsThe correct answer is:
B
Metal detector works on the principle of transmitting an electromagnetic signal and analyses a return signal from the target. So it works on the principle of resonance in AC circuit.
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