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电容器串、并联一节教学是电学教学中的一个难点。由于电容器极板上电荷积累多少,电容量的大小,看不见,摸不着,只能靠抽象的想象。为此,我分别采用了音乐集成电路和小灯泡在同一块示教板上进行演示实验教学,以充分发挥学生的视觉与听觉的作用,定性地反映出电容器极板上积累电荷的多少。介绍如下:
The teaching of capacitor string and parallel teaching is a difficult point in the teaching of electricity. Because of the accumulation of charge on the capacitor plate, the size of the capacity, invisible, intangible, can only rely on abstract imagination. For this reason, I used the music integrated circuit and the small light bulb to demonstrate demonstration teaching on the same teaching board, in order to give full play to the students’ visual and auditory functions, and qualitatively reflect how much charge is accumulated on the capacitor plates. Introduced as follows: