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在实验中各种元件连接起来时各部分的接触电阻带来的电压降平时没有考虑到,通过一台数字化电位传感器测量,发现接插件部位由于接触电阻的存在导致的电压降也不容小觑。
In the experiment when connected to various components of the contact resistance of all parts of the voltage drop is usually not taken into account through a digital potentiometer sensor found that the connector parts due to the presence of contact resistance voltage drop should not be underestimated.