Magnetic moment of the hydrogen atom, when the electron is in nth excited state, i.e., n′=(n+1) As magnetic moment Mn=InA=in(πrn2) $\begin{aligned}
& i_n=e V_n=\frac{m z^2 e^5}{4 \varepsilon_0^2 n^3 h^3} \
& r_n=\frac{n^2 h^2}{4 \pi^2 k z m e^2}\left(k=\frac{1}{4 \pi \epsilon_0}\right)
\end{aligned}Solvingwegetmagneticmomentofthehydrogenatomfor\mathrm{n}^{\text {th }}excitedstateM_{n^{\prime}}=\left(\frac{e}{2 m}\right) \frac{n h}{2 \pi}$