Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
A circular wheel with 10 spokes with its plane vertical along East-West is rotating about its natural axis with a uniform speed 100 revolutions per minute in the earth's magnetic field. Radius of the wheel is $0.3 \mathrm{~m}$. If the emf induced between the centre of the wheel and the rim is $3 \pi \mu \mathrm{V}$, angle of dip at the place is
(Vertical component of the earth's magnetic field $\mathrm{B}_{\mathrm{V}}=15 \mu \mathrm{T}$ )
PhysicsMagnetic Properties of MatterAP EAMCETAP EAMCET 2017 (26 Apr Shift 2)
Options:
  • A 1. $\tan ^{-1}\left(\frac{1}{2}\right)$
  • B $\tan ^{-1}\left(\frac{4}{5}\right)$
  • C $\tan ^{-1}\left(\frac{3}{5}\right)$
  • D $\tan ^{-1}\left(\frac{3}{4}\right)$
Solution:
2576 Upvotes Verified Answer
The correct answer is: $\tan ^{-1}\left(\frac{3}{4}\right)$
No solution. Refer to answer key.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.