Back to the original thought.
 
Even if there is no E field set up around a rotating Electromagnet/Solenoid the
rotation of the Magnetic B Field should result in a small E field due to the acceleration v^2/r
of the field. I.e., the tangential velocity vector is constantly changing directions.
Hence, two rotating solenoids should attract or repel on another with a force proportional
to the coil current and rotational acceleration.
 
http://www.pa.msu.edu/~duxbury/courses/phy294H/lectures/lecture23/lecture23.html
 
" Maxwell's term describes the fact that a time varying electric field induces a magnetic field."

" Faraday's law states that a time varying magnetic field induces an electric field."

There's that "rotating energy loop-disk" thingy again, Jones. :-)
 
Frederick
 

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