What is Bohr magneton (B.M.)? - Vidyadip

Question

What is Bohr magneton (B.M.)?

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Answer

Bohr magneton (B.M.) is a unit of magnetic moment :
1 B. M. $=\frac{e h}{4 \pi m_{ e } c}$
where, $h$ : Planck's constant $\left( h =6.626 \times 10^{-34} Js\right.$ )
$e$ : electronic charge $\left(1.60218 \times 10^{-19} C \right)$
me : mass of an electron $\left(9.109 \times 10^{-31} kg \right)$
c: velocity of light. $\left(2.998 \times 10^8 ms ^{-1}\right)$

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