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众所周知,感应圈作为一种获取直流高压的装置,工作时可产生1～12万伏的直流高压,在中学和大学电学实验教学中具有重要应用,而目前物理实验室里,不同型号的感应圈对极性的标注较为混乱,直接影响了实验教学。因而,对感应圈输出端的正负极性作出简单、迅速的判别。无疑对实验教学效果的好坏意义重大。我们在教学实践中,通过不断探索,现提出一种简单易行的方法,供大家参考。
As we all know, the induction coil as a device to obtain DC high voltage, can produce 1 ~ 120,000 volts DC high voltage when working, has important applications in the experimental teaching of secondary and university electricity, and in the current physical laboratory, different types of induction coil The labeling of polarity is more confusing and directly affects the experimental teaching. Therefore, a simple and rapid determination of the positive and negative polarities of the output of the induction coil is made. There is no doubt that the effectiveness of experimental teaching is of great significance. In our teaching practice, through continuous exploration, we propose a simple and easy method for your reference.