A circular wheel with 10 spokes with its plane vertical along East-West is rotating about its natural axis…

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 $\mathrm{B}_{\mathrm{V}}=15 \mu \mathrm{T}$ )
  1. 1. $\tan ^{-1}\left(\frac{1}{2}\right)$
  2. $\tan ^{-1}\left(\frac{4}{5}\right)$
  3. $\tan ^{-1}\left(\frac{3}{5}\right)$
  4. $\tan ^{-1}\left(\frac{3}{4}\right)$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (26 Apr Shift 2)

Practice more Magnetic Properties of Matter questions on Aicharya