摘要
介绍了磁场对电流作用演示器再改进的仪器结构、制作方法、实验方法和注意事项。
The article presents the device structure, producing and experimental method as well as the notice concerning the demonstrating instrument of magnetic field against electric current.
出处
《中国教育技术装备》
2006年第3期35-36,共2页
China Educational Technology & Equipment
关键词
磁场对电流作用
演示器
再改进
the effect of magnetic field against current
demonstrating instrument
re-improvement