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How do you determine the magnetic moment of a rotating charged disk? and got a better answer
Response from
Response from 0[++]
the surface charge density is sigma and the angular velocity is omega radius P then the magnetic moment is pi*sigma*omega*P^4 4
the surface charge density is sigma and the angular velocity is omega radius P then the magnetic moment is pi*sigma*omega*P^4 4
Response from 0[+++++]
Split the disk into thin rings of thickness dr, find the magnetic moment of one such ring dM and integrate.
Split the disk into thin rings of thickness dr, find the magnetic moment of one such ring dM and integrate.