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gc textbook chapter 18 Electric Currents (id: be569a9d9)

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admin 发表于 5 天前 | 显示全部楼层 |阅读模式
本题目来源于试卷: gc textbook chapter 18 Electric Currents,类别为 IB物理学

[填空题]
An extension cord made of two wires of ;h1k+dq v6 htzdiameter 0.129 cm (no. 16 copper wi,hgb.kg ee 2t4re) and of length 2.7 m (9 ft) is connegtk.eg4 ,2hebcted to an electric heater which draws 15.0 A on a 120-V line. How much power is dissipated in the cord?    W




参考答案: 16±2%


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