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电表是电学实验中最常用的基本测量仪表,是初中物理学习的重要内容,成为历年中考必考的内容之一,电表的试题变化多样,下面谈谈电表示数变化的判断解题思路。
Electric meters are the most commonly used basic measuring instruments in electrical experiments. They are an important part of junior high school physics learning. They have become one of the most important items in the middle school examinations. The test items of electric meters vary greatly.