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在近两年的中考题中,出现了在要求电流表,电压表都不超过量程的情况下,求滑动变阻器变化范围的题目,而题目的答案有的比较
In the last two years of the examination, there was a problem of finding the range of the sliding rheostat in the case that the ammeter and voltage meter were not required to exceed the range, and some of the answers to the questions were compared.