[no subject]

[marco valcavi <mvalca@xxxxxxxxx>]

Hi all,
I read a question (992) and his answer(994) about the
meaning of the term "2x frequency" in the Lorentz
force for frequency problems.
Now, I understand that if B and J have a fixed
frequency the force has two component: the steady
state and the 2*frequency.
But 
if I make a electro-mechanical transducer, I apply an
electric current with frequency x and the mechanical
parts move with double frequency?



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