JEE Main 2004PhysicsElectromagnetic InductionHardMCQ

JEE Main 2004Electromagnetic Induction Question with Solution

JEE Main 2004

Question

In a uniform magnetic field of induction a wire in the form of semicircle of radius rotates about the diameter of the circle with angular frequency . The axis of rotation is perpendicular to the field. If the total resistance of the circuit is the mean power generated per period of rotation is

Choose an option

Show full solutionCorrect option: B
Correct answer
B

Step-by-step explanation

Magnetic flux Now, (mean value)

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 2004, 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.