摘要
介绍了一种用简易器材组装的演示器,用它可以同时演示电流的热效应、磁效应和化学效应.
It introduces a type of demonstration, which assembled by the simple equipment. It can be used to show the hot, magnetic and chemical effect at the same time.
出处
《中国教育技术装备》
2005年第12期31-32,共2页
China Educational Technology & Equipment