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Consider a nonconducting plate of radi...

Consider a nonconducting plate of radius r and mass m which has a charge q distributed uniformly over it. The ring is rotated about its axis with an angular speed `omega` Show that the magnetic moment `mu` and the angular momentum I of the plate are rlated as `mu = (q)/(2m)l.`

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RESONANCE-ELECTRODYNAMICS-Exercise-1 PART-1
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  14. In a hydrogen atom , the electron moves in an orbit of radius 0.5 A ...

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