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Hipervinculo Física
Electronic components: semiconductors, diodes, transistors and integrated circuits.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Física
For each selected invention or discovery, name the country where it originated.
It is an educational content by JetPunk, site that contains a wide variety of quizzes.
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