Magnetic field of a hollow conductor in special circumstances

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I know the magnetic flux inside a hollow conductor is zero. Is this also true if the observer is inside the conductor and the conductor is rotating in relation to the observer so that the electrons are traveling in spirals around the hollow center?
 

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scottdave
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There are the same number of protons as electrons spinning around the observer, so the net effect would be zero.

If you are driving a current in such a way to go around the circular conductor, then that would be a different situation.

Perhaps a charged tube (imbalance of protons and electrons) could be spun?
 
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243
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There are the same number of protons as electrons spinning around the observer, so the net effect would be zero.

If you are driving a current in such a way to go around the circular conductor, then that would be a different situation.

Perhaps a charged tube (imbalance of protons and electrons) could be spun?
I forgot to mention that a dc current is flowing through the conductor. Does this change anything?
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