Physics · Electromagnetic Induction
An elliptical loop having resistance R, with semi-major axis a and semi-minor axis b, is placed in a uniform magnetic field B. If the loop is rotated about the x-axis with a constant angular frequency ω, the average power loss in the loop due to Joule heating is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1π2a2b2B2ω2R
- 2πbBωR
- 3Zero
- 4π2a2b2B2ω22R✓
Correct answer
π2a2b2B2ω22R
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