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# Magnetic Moment of a rotating charged sphere.

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Given the radius of a proton is approximately 1x10^-15m, assume that it is a rotating, uniformly charged sphere with a magnetic moment of 4.5x10^-26 J/T.

a) First demonstrate that J/T is equivalent to Am^2

b) What is the approximate angular frequency of the proton?

##### Solution Summary

A proton is rotating, its magnetic moment is given, the frequency of rotation is calculated.

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