問題詳情

4.Place a metal ring on top of a solenoidal coil (around an iron corn), turn on the current (flows conuterclockwise if view from the top of the coil) and plug metal ring in,then what will happen? And explain why. (10 %)

參考答案

答案:D
難度:適中0.646001
統計:A(267),B(1056),C(1177),D(4564),E(1) #
個人:尚未作答書單:Flavell後設認知、斯騰伯格 -智力三元論、後設認知替代名詞

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