Physics
Senior High
これはどうすれば問題が解けるでしょうか？
可題 1.19
抵抗率p=2.66×10-8 [2-m] のアルミ線がある. その線の半
10X1
ス= P
r=0.2mm, 長さ1=40cmの抵抗R[Q] はいくらか。
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