JEE Main 2022 — Electromagnetic Induction Question with Solution
JEE Main 2022 (26 Jul Shift 2)
Question
In a coil of resistance , the magnetic flux due to an external magnetic field varies with time as . The value of total heat produced in the coil, till the flux becomes zero, will be _____ .
Enter your answer
Show full solutionCorrect answer: 2
Correct answer
2
Step-by-step explanation
It is given that magnetic flux
For magnetic flux to be zero
According to Faraday's law of electromagnetic induction,
Heat produced from to ,
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Electromagnetic Induction 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 Electromagnetic Induction 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.