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講解电諧振時,本校利用自製的儀器作了演示,效果還算很好。因為这套仪器很大,直觀效果很强,教师在講台上演示,全班五、六十個学生都可以不離座位而看得很清楚。尤其是因为这套儀器簡單易製,所以我願意把它介紹出來,供給各校教師傚製,它的構造和用法,郡与书中圖130所示的略有差别,但原理是完全相同的。所用的兩個來頓瓶都像圖1所示,振盪電路是由固定在长方木框内部的銅片和銅球作成(如图2),當
To explain the electrical resonance, our school made a presentation using homemade instruments, the effect is still very good. Because of this large set of instruments, the visual effect is very strong, the teacher demonstrated on the podium, the class of five or sixty students can not see clearly from the seat. In particular, because the instrument is simple and easy to use, I would like to introduce it to the faculty for teachers. Its construction and usage are slightly different from those shown in Figure 130 in the book, but the principle is exactly the same . The two used Dayton bottles are shown in Figure 1. The oscillating circuit is made of copper and copper balls (see Figure 2) fixed inside the rectangular wooden frame. When