文章根据惠斯通电桥平衡的原理,讨论了惠斯通电桥平衡的调节方法,指出了实验中易出现的问题,分析了提高电桥灵敏度的方法,探讨了实验中产生误差的可能原因及实验注意事项。该实验的核心方法是先粗调再细调,实验中比例臂的选取是关键。
The article,According to the principle of Wheatstone bridge balance,focus on the Wheatstone bridge balance adjustment method,points out the frequent problems in the experiment,analysis the methods of improving the sensitivity of bridge,Discuss the possible reasons for the error in the experiment and the matters needing attention.The core of the experiment method is first coarse then fine tuning,the key factors in the experiment is selection for percentage arm.