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滑动变阻器在电路中的接法变化丰富,电路中含有滑动变阻器的电学题是历年中考一个的热点。这些题目可分为定性分析和定量计算两类,下面,剖析一组实例。
The connection of sliding rheostats in the circuit is rich, and the electrical problem with the sliding rheostat in the circuit is a hot topic in the examinations over the years. These topics can be divided into qualitative analysis and quantitative calculation. In the following, a set of examples are analyzed.