- #1
Spinnor
Gold Member
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If your fingers of one hand curl around the axis of rotation of the accretion disc of a massive black hole and your fingers point in the direction of the flow is the direction of the central twisted poloidal magnetic field given by a right hand rule, a left hand rule, no rule?
Is there a simple argument for the answer above?
Thanks!
Is there a simple argument for the answer above?
Thanks!