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物理实验是高考命题的重要组成部分,在物理试卷中占考试分数的12%～14%.分析10多年的高考题,可以发现仪器仪表读数是考查较多的内容.在《考试说明》中,要求学生熟练掌握的基本仪器有13种,其中在高考中考查较多的是:游标卡尺、螺旋测微器、电压表、电流表读数.欧姆表测量原理,正确操作及读数.下面根据高考题目分析如下.1.游标卡尺
Physical experiments are an important part of the college entrance examination proposition, accounting for 12% to 14% of the test scores in the physical test paper. Analysis of more than 10 years of college entrance examination questions, you can find instrument readings are more content to examine. In the “exam description”, There are 13 kinds of basic instruments that students are required to master. Among them are vernier calipers, spiral micrometers, voltmeters, and ammeter readings. The principle of ohm meter measurement, correct operation and readings are as follows. .1. Vernier caliper