A conducting solid sphere of radius R and mass M carries a charge Q. The sphere is rotating about an axis passing through its center with a uniform angular speed \omega. The ratio of the magnitudes of the magnetic dipole moment to the angular momentum about the same axis is given as \alpha \frac{Q}{2 M}. The value of \alpha is \_\_\_\_ [JEE Adv 2025 P2]

JEE Advanced 2025 Paper 2

Section: Physics

Question : 25 of 48

Marks: +1, -0

A conducting solid sphere of radius R and mass M carries a charge Q. The sphere is rotating about an axis passing through its center with a uniform angular speed ω. The ratio of the magnitudes of the magnetic dipole moment to the angular momentum about the same axis is given as α‌

. The value of α is ____

[JEE Adv 2025 P2]

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