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| abstraction > mathematical concept > number > constant > fundamental physical constant > electromagnetic constant > Bohr magneton | 
| Bohr magneton comparison table | |||||||
| Subject | has uncertainty | has definition | has equation | has value | has symbol | is a kind of | is an instance of | 
|---|---|---|---|---|---|---|---|
| electromagnetic constant | changes in value are due solely to an increase in measurement accuracy or convention | fundamental physical constant | |||||
| Bohr magneton | 0.000037 × 10-26 J T-1 | Magnetic moment of an electron in the first Bohr orbit. | ![]()  | 927.400899 × 10-26 J T-1 | μB | electromagnetic constant | 
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