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Ratio of orbital magnetic moment to angular momentum of a revolving charge

This type of question, asked 2 times: 19 Apr 2025 S1, 18 Apr 2026 S2. All 2 questions below, oldest first.

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  1. Question 1

    19 Apr 2025 S1

    12
    The ratio of angular momentum L→\overrightarrow{L} of an electron to the magnetic dipole moment m→orb {\overrightarrow{m}}_{\text{orb~}} is ( ' mm ' is mass of electron, ' ee ' is charge on electron)

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  2. Question 2

    18 Apr 2026 S2

    131
    A particle of charge 'qq' and mass 'mm' moves in a circular orbit of radius 'rr' with angular speed 'ω\omega'. The ratio of the magnitude of its magnetic moment to that of its angular momentum depends upon

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