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在高中物理选修3-1《电容器的电容》一节的教学中,如何准确、直观地获取电容器带电量Q的数值,是新课教学中的难点.针对这一问题,本文介绍了采用晶体三极管将充电电源改装成恒流电源,对电流输出进行精准控制的实验方法,同时引入了摄像头等电子辅助设备以及EXCEL数据处理工具对整个教学实验进行了系统优化,有效提升了课堂教学效果.
In high school physics elective 3-1 “capacitor capacitance” section of the teaching, how to accurately and intuitively obtain the value of capacitor charge Q is the difficulty of the new lesson teaching.To solve this problem, this article describes the use of transistor The charging power converted into constant current power supply, the current output of the precise control of experimental methods, while the introduction of electronic equipment such as cameras and EXCEL data processing tools for the entire teaching experiment was systematically optimized to effectively enhance the effectiveness of classroom teaching.