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在日常教学中,往往用小灯泡的瞬间闪烁和两只小灯泡的点亮快慢来说明自感现象,小灯泡虽然可以直观自感现象的存在,但不能量化自感现象中自感电动势以及电流的大小。为了更好地直观感受并且量化电路中自感现象的各种物理量的变化,笔者使用Vernier品牌的LABQUEST2型传感器主机和Vernier电流传感器进行实验并测定自感现象中各个物理量的变化。
In daily teaching, often with a small light bulb twinkling and two small light bulb lit self-inductance phenomenon, although the small bulb can intuitively self-inductance phenomenon, but can not quantify the phenomenon of self-inductance electromotive force and current the size of. In order to better intuitively sense and quantify the changes in the physical quantities of the self-inductance phenomenon in the circuit, the author uses the Vernier brand LABQUEST2 sensor host and the Vernier current sensor to experiment and determine the change of each physical quantity in the self-inductance phenomenon.