%0 Journal Article
%T Uso da ressonancia em cordas para ensino de f¨ªsica
%A Gomes
%A Cezar Augusto
%A L¨¹dke
%A Everton
%J Revista Brasileira de Ensino de F¨ªsica
%D 2011
%I Scientific Electronic Library Online
%R 10.1590/S1806-11172011000300018
%X in this paper, we discuss a low-cost teaching laboratory experiment to undertake a study of standing waves theory in metal strings. by using a straightforward electronical apparatus based on the electromagnetic feedback we were able to assess quantitatively the harmonic behaviour of standing waves as well as the numerical relationships available from excited oscillation modes.
%K standing waves
%K resonance
%K electromagnetic feedback.
%U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1806-11172011000300018&lng=en&nrm=iso&tlng=en