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In a hydrogen atom , the electron moves...

In a hydrogen atom , the electron moves in an orbit of radius ` 0.5 A` making `10^( 16 ) revolutions per second . The magnetic moment associtated with the orbital motion of the electron is ……

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`i=q/t=("ne")/t=(10^16)/1xx1.6xx10^-19=1.6xx10^-3A`
`M=ixxA=ipir^2=1.6xx10^-3xx3.14xx(0.5xx10^-10)^2`
`=1.25xx10^-23Am^2`
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