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Magic pencil III
The resistance of a graphite pencil changes when it is bent. This experiment demonstrates the role of mechanical effects, hysteresis, and microcracks in the electrical conductivity of materials.
Física
Cursos 8 – 12
Autor: Dr. Stonawski Tamás
Revisor: Trauer János
Gráfico: Gyulai Kamilla
Desarrollador: Tóth Martin
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