JEE Main 2022PhysicsAlternating CurrentAc Circuits And Power In Ac CircuitseasyMCQ

JEE Main 2022Alternating Current Question with Solution

From: JEE Main 2022 (Online) 25th July Evening Shift

Question

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

Choose an option

Show full solutionCorrect option: B
Correct answer
BResonance in ac circuits

Step-by-step explanation

Metal detector works on the principle of resonance in ac circuits.

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Alternating Current chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2022, covering the Alternating Current chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.