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In the Bohr model of the hydrogen atom, in the lowest energy state the electron revolves round the proton at a speed of `2.2 xx 10^6 m/s` in a circular orbit of radius `5.3 xx 10^-11` m.
(a) What is the orbital period of the electron?
(b) If the orbiting electron is considered to be a current loop, what is the current I? (c) What is the magnetic moment of the atom due to the motion of the electron?

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Correct Answer - A::B::C::D
a. `T=(2pir)/v`
b. `I=qf=(e)(v/(2pir))` ltbr `c. M=IA=((ev)/(2pir) (pir^2)=(evr)/2`

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