声光显示多用电磁演示实验装置的研制与应用  

The development and application of multi-purpose electromagnetic demonstration experimental apparatus with acoustic-optic indicator

作　　者：丁振瑞[1] 郝忠秀[1] 段书兴[1] 赵亚军[1] 

机构地区：[1]河北大学物理科学与技术学院,河北保定071002

出　　处：《大学物理》2006年第12期46-48,共3页College Physics

基　　金：河北大学教研教改基金资助项目(PJ4-3)

摘　　要：介绍一种可以完成4个电磁学演示实验的实验装置,给出了该装置的结构、工作原理和应用效果.该装置的主要特点是采用声光显示实验现象.An experimental apparatus is introduced with which four electromagnetic experiments can be done. Its structure, principle and practical effect are described. Main character of this apparatus is that the experimental phenomena are displayed by acoustic-optic indicator.

关 键 词：声光显示 电磁感应 受迫电磁振荡 自感 

分 类 号：O441[理学—电磁学]