摘要
首先从毕 萨定律出发对似稳条件下圆形平板电容器产生的磁场进行了计算,验证了似稳条件下位移电流不产生磁场的结论,并在对位移电流这一概念存在的必要性进行讨论后指出:位移电流是为了保持电流连续性和方便解释变化的电场可以产生磁场而提出来的,是特殊情形下计算磁场H的一个简便替代工具。
First,the magnetic field in circular flat capacitor by using the law of Biot-Savart is calculated and the result which displacement current has no magnetic effect is validated.Then with the necessity of existing displacement current disscussed,the conclusion is made that displacement current is only a name of keeping current continuity and explaining that changing electric field can produce magnetic field,and that displacement current is also a easy tool to calculate the magnetic field in capacitor under special condition.
出处
《河南科技大学学报（自然科学版）》
CAS
2004年第4期97-100,共4页
Journal of Henan University of Science And Technology:Natural Science
基金
四川省优秀教学成果孵化项目(210-039910)
