JEE Main 2018 — Electromagnetic Induction Question with Solution
JEE Main 2018 (16 Apr Online)
Question
A coil of cross-sectional area having turns is placed in a uniform magnetic field . When it is rotated with an angular velocity the maximum e.m.f. induced in the coil will be:
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Magnetic flux through a coil of area of turns at an angle to the magnetic field of magnitude is, . The induced emf,
. Since, the maximum value of the sine function is ,
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This is a previous-year question from JEE Main 2018, 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.