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Magic pencil III.
Magic pencil III.
The resistance of a graphite pencil changes when it is bent. The experiment demonstrates the roles of mechanical effects, hysteresis, and microcracks in the material's electrical conductivity.
Fizika
8 – 12. razred
Autor: Dr. Stonawski Tamás
Ocjenjivač: Trauer János
Grafičar: Gyulai Kamilla
Developer: Tóth Martin
Ključne riječi
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