Yeah, it's a Lorentz force, an induced current->field that repels the excitation field. More here: http://en.wikipedia.org/wiki/Eddy_current http://en.wikipedi

Yeah, it's a Lorentz force, an induced current->field that repels the excitation field. More here: http://en.wikipedia.org/wiki/Eddy_current http://en.wikipedia.org/wiki/Eddy_current