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DC Circuits (id: 47e390604)

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admin 发表于 3 天前 | 显示全部楼层 |阅读模式
本题目来源于试卷: DC Circuits,类别为 IB物理学

[填空题]
Electricity can be a hazard:xel+djsl9x 9 in ho lzf/qdb he3c3 n/x9g.spitals, particularly to patients who are connected to electrodes, such as an ECG. For example, suppose that the motor of a motorized bed shorts out to the bed frame, and the bed frame’s connection to a ground has broken (or was not there in the first place). If a nurse touches the bed and the patient at the same time, she becomes a conductor and a complete circuit can be made tfexc nz9g /l.b3d/q h3hrough the patient to ground through the ECG apparatus. This is shown schematically in Fig. 19–60. Calculate the current through the patient. $\approx$    $ \times10^{-3 }\;A$(retain three decimal places)





参考答案: 7±2%


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