Using the Relativity Theory, Ampere s law can be derived from the Colulmb s law, and the induced-electromotance and dynamic-electromotance may be alternated each other.

• 应用相对论理论,安培定律可通过库仑定理推出,感生电动势和动生电动势可以相互转化,在此意义上磁学基本定律可进一步统一到静电学定律之中。