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Gauss Law and Metal in Eclectic Equilibrium (id: 501487aec)

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admin 发表于 2024-8-22 10:50:52 | 显示全部楼层 |阅读模式
本题目来源于试卷: Gauss Law and Metal in Eclectic Equilibrium,类别为 美国物理杯赛(Physics Bowl)

[单选题]
05.20: A portable radio that is plko3 ui6 ,bbe: qnso-.zaying is placed inside a scrk*tyg 8hr2 m:+bqy3ju een cage as shown. When i:+bhyr qt*y ug32jm8knside the cage the radio stops playing because


A. the electric potential of the batteries is neutralized.
B. the charge on the radio is zero.
C. the sound cannot travel through the cage
D. the electric field of the radio waves cannot penetrate the cage.
E. none of the above reasons.


参考答案:  D


本题详细解析: 暂无

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