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利用生活用品作为实验材料,制作两种“验电器”。实验现象相比传统的金属棒的感应起电有趣,有助于学生理解静电感应和尖端放电的概念。
Use of daily necessities as experimental materials, making two kinds of “electroscope”. The experimental phenomenon is more interesting than the traditional induction of metal rods, helping students to understand the concepts of electrostatic induction and tip discharge.