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Magic pencil I.

This lesson presents how the conductivity of graphite is influenced by size, pressure, and the composition of the pencil lead. You will also learn about the basics of resistance and electrical conduction.

物理

成績11 – 12

作者: Dr. Stonawski Tamás

審稿人: Trauer János

圖形的: Gyulai Kamilla

程序員: Tóth Martin

關鍵詞

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