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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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The correct Answer is:
A, B, C

` I = (q)/(t) = (ne)/(t) = (10^(16))/(1) xx1.6xx10^(-19 = 1.6xx10^(-3) A`.
`M = ixxA = ixx pir^(2)`
`= 1.6xx10^(-3)xx3.14xx0.5xx10^(-10)xx0.5xx10^(-10)`
` = 1025xx10^(-23) Am^(2)`
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