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Q. The gyromagnetic ratio of an electron in sodium atom is

Moving Charges and Magnetism

Solution:

Gyromagnetic ratio $=\frac{\text{magnetic moment}}{\text{angular momentum}}$
$=\frac{neh /4\,\pi\,m}{nh 2\pi}$
$=\frac{e}{2m}$= constant
Hence, gyromagnetic ratio is not dependent on the orbit and for electron, it is having negative value due to negative charge on electron