摘要
介绍磁力线演示实验装置的实现方法及其所用的直流电源。演示结果直观形象 ,电源是一种具有短路和过流保护功能的串联调整型直流稳压电源。保护电路工作可靠、准确 ,输出状态指示直观 ,具有通用性 ,适合于实验室使用或自制。
A method introduced on a aids to object teachings in magnetic line and its power.The power is a in series voltage regulator having short circuit and overcurrent protection function,the protective circuit is reliable and precise,indicate working states.it is all-purposecan made-up a high-current voltage regulator and suited to laboraory or self-made.
出处
《大学物理实验》
2003年第4期38-40,共3页
Physical Experiment of College
