两个电磁学演示实验的再设计

Redesign of two demonstration experiments of electromagnetics

利用简易装置对高中教材中的退磁和自感演示实验进行了再设计 ,介绍了演示方法 。

Using simple device, the demonstration experiments of demagnetization and self induction are redesigned. The demonstration methods are introduced, and experiment phenomena are explained.