...electric field? A magnetic analogy here exists with alternators, where ordinarily the field and the rotation are identical, but with larger reluctance alternators only the pole faces rotate and not the actual electromagnetic coil which is enclosed by the rotating pole faces. In that case even though the field itself does not rotate, but rather twisted to rotation by the revolving pole faces, its magnetism can be made to mimic a rotation. So here a sort of inverse analogy might be voiced whereby applying rotation to an electric field should evoke effects of a magnetic field. Thus a rotating electric field as found in these cylindrical capacities should emit a magnetic field along the axis.
Will rotating the inner electrode of a cylindrical capacity also rotate its...
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