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电学实验在高中物理实验教学中占有十分重要的地位,而电学设计性实验也是历年物理高考的热点。高中电学实验中涉及的原理与器材种类众多,且不同的器材对应有不同的量程。作为电学实验设计的难点,实验器材和电路的选择主要是针对电源、电表、变阻器的选择。笔者从高中生角度出发,浅谈了物理电学实验器材和电路的选择。
Electrical experiment occupies a very important position in high school physics experiment teaching, and electrical design experiment is also the hot spot of physical college entrance examination over the years. There are many kinds of principles and equipments involved in high school electrical experiment, and different equipments correspond to different ranges. As the difficulty of electrical experiment design, the choice of experimental equipment and circuit is mainly for the choice of power supply, ammeter and rheostat. From high school students point of view, I talk about the physical electrical experiment equipment and circuit selection.