一(一) 在天气湿潮的季節里,作靜电实验往往不易成功。用火爐烤危險(有时教室內沒有大爐),用电灯烤則最为有效。其方法是把作靜电实驗用的仪器全都放在紙盒內(見圖1),只要十分鐘就可以取出來使用,用完了又放回紙盒內(注意烘烤东西时,不要把紙盒与灯泡接触,否則会烤焦或烘裂玻板)。这样可以使实 A (a) In the wet weather season, for electrostatic experiments are often not easy to succeed. Bake the fire with a stove (sometimes there is no big stove in the classroom), the most effective use of electric light roast. The method is used for static experiments with all the instruments on the tray (see Figure 1), as long as ten minutes can be taken out, run out and put back in the tray (note baking things, do not put the tray Contact with the lamp, otherwise it will scorch or crack glass board). This can make it real