摘要
应用能量转换与守恒原理，分析了磁场对电流作用过程中的能量转换问题，论述了磁力劝、磁场能与电源提供能量的基本关系。
The article uses the law of conservation of energy to analyse the energy transformation in the course of magnetic field acting on electrie current.It discusses the work of magnet force and the basic relationship between magnetic energy and power supply.
出处
《河北大学学报（自然科学版）》
CAS
1999年第4期398-400,共3页
Journal of Hebei University(Natural Science Edition)
