JEE Main 2021 — Electromagnetic Induction Question with Solution
From: JEE Main 2021 (Online) 26th August Morning Shift
Question
An inductor coil stores 64 J of magnetic field energy and dissipates energy at the rate of 640 W when a current of 8A is passed through it. If this coil is joined across an ideal battery, find the time constant of the circuit in seconds :
Choose an option
Show full solutionCorrect option: D
Correct answer
D0.2
Step-by-step explanation
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This is a previous-year question from JEE Main 2021, 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.