惠斯通电桥实验里的各种误差来源及其导致的结果？！ “惠斯通电桥法则”电阻实验报告实验误差有哪些？
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导线电阻可使测量值偏大或偏小，跟电路中电阻分布有关，属系统误差
待测电阻两端接触电阻均可造成测量结果偏大
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