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Electromagnetic Induction question

2020 · 3 Sep · Shift 1 · Q54
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  5. /2020 · 3 Sep · Shift 1 · Q54

Electromagnetic Induction question

2020 · 3 Sep · Shift 1 · Q54

JEE MainPhysicsElectromagnetic InductionMCQ+4 / −1
An elliptical loop having resistance R, of semi major axis a, and semi minor axis b is placed in magnetic field as shown in the figure. If the loop is rotated about the x-axis with angular frequency ω\omegaω, the average power loss in the loop due to Joule heating is : JEE Main 2020 (Online) 3rd September Morning Slot Physics - Electromagnetic Induction Question 85 English
  1. A
    πabBωR{{\pi abB\omega } \over R}RπabBω​
  2. B
    π2a2b2B2ω2R{{{\pi ^2}{a^2}{b^2}{B^2}{\omega ^2}} \over R}Rπ2a2b2B2ω2​
  3. C
    π2a2b2B2ω22R{{{\pi ^2}{a^2}{b^2}{B^2}{\omega ^2}} \over {2R}}2Rπ2a2b2B2ω2​
  4. D
    Zero
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