Construcción de un altavoz con dos CD
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Abstract
Para motivar a los alumnos y captar su atención, se ha diseñado una experiencia para fabricar un altavoz a partir de materiales cotidianos, tales como CD-DVD, bobinas de cobre y un imán. Siempre hay que apostar por una didáctica experimental que pueda causar admiración o curiosidad desde el principio. Esta iniciativa, puede ayudar a entender, de manera divertida, los complejos y abstractos fenómenos electromagnéticos, no siempre fácilmente explicables dentro del aula. En esta sencilla experiencia podemos obtener un plus de motivación, sobre todo cuando el resultado final es satisfactorio.
Palabras clave: Altavoz; Electromagnetismo; Sonido; Inducción electromagnética.
Building a loudspeaker with two CD
To motivate students and capture their attention, an activity has been designed to build a loudspeaker from everyday materials, such as CD-DVD, copper coils and a magnet. It is convenient to opt for an experimental methodology in teaching, which can cause admiration and curiosity from the beginning. This initiative can help to understand, in a funny manner, the complex and abstract electromagnetic phenomena that are not always easily explained in the classroom. With this simple activity we can get an extra motivation, especially when the final result is satisfactory.
Keywords: Loudspeaker; Electromagnetism; Sound; Electromagnetic induction.
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