The ratio of angular momentum L of an electron to the magnetic dipole moment m orb is ( ' m ' is mass of electron, ' e ' is charge on electron) (a) e/m (b) 2m/e (c) e/2m (d) m/e

Answer: (b). Orbital moment: μ = e/2mL. L/μ = 2m/e, so the answer is (b).

The ratio of angular momentum L of an electron to the magnetic dipole… | MHT CET 2025 (19 Apr, Shift 1)

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Current Loop as a Magnetic Dipole

The ratio of angular momentum $L$ of an electron to the magnetic dipole moment $\vec{m}$ orb is ( ' $m$ ' is mass of electron, ' $e$ ' is charge on electron)

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Answer: (b)

Orbital moment: $\mu = \frac{e}{2m}L$ .
$\frac{L}{\mu} = \frac{2m}{e}$ , so the answer is (b).

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