JEE Main 2022 — Electromagnetic Induction Question with Solution
From: JEE Main 2022 (Online) 26th June Morning Shift
Question
A 10 , 20 mH coil carrying constant current is connected to a battery of 20 V through a switch. Now after switch is opened current becomes zero in 100 s. The average e.m.f. induced in the coil is ____________ V.
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Show full solutionCorrect answer: 400
Step-by-step explanation
Initially current, (when initially switch closed)
average emf induced in coil
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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.