JEE Main 2016 — Magnetic Effects of Current Question with Solution
JEE Main 2016 (10 Apr Online)
Question
A conducting metal circular-wire-loop of radius is placed perpendicular to a magnetic field which varies with time as where are constants at time . If the resistance of the loop is , then the heat generated in the loop after a long time is
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Here,
Area of the circular loop,
Flux linked with the loop at any time ,
Emf induced in the loop,
Net heat generated in the loop
Area of the circular loop,
Flux linked with the loop at any time ,
Emf induced in the loop,
Net heat generated in the loop
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This is a previous-year question from JEE Main 2016, covering the Magnetic Effects of 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.