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判断电表示数如何变化是物理考试中容易出错的常见题型,正确解决这类问题需要有清晰的解题思路,正确的分析方法.下面结合例题,将其归类,并给出正确的分析方法. 1.由滑动变阻器的滑片移动引起的示数变化
Judging how the number of electrical representations changes is a common problem type that is prone to errors in physics tests. Correctly solving such problems requires a clear problem-solving idea and a correct analysis method. The following examples are combined to classify them and give correct analysis. Method. 1. Change in display due to movement of a slider in a sliding rheostat