电气现象:磁滞现象。通过接近一个发电机来演示磁滞现象,该发电机工作的手表的齿轮主要是钢制的,它的磁铁本身和它结束。1925年的匿名插图。私人收藏。(Electrical phenomena: hysteresis. Demonstration of hysteresis phenomene by approaching a dynamo that works a watch whose gears are largely steel, it magnets itself and it ends. Anonymous illustration from 1925. Private collection.)匿名匿名 |
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日期不详 · Engraving
· 图片ID: 918285
Private Collection / Bridgeman Images |
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