摘要
用磁标势法计算了圆形线电流的磁感应强度．利用这个结果证明了圆形线电流平面中心的磁感应强度有极小值，给出了圆环回路的自感系数的计算公式．
Magnetic induction of a circular current is calculated using magnetic scalar potential.With the help of the result,it is proved exactly that there is a minimum of the magnetic induction at the center of the circular current,and a formula for the selfinductance of circular circuit is obtained.
出处
《大学物理》
1999年第6期20-22,共3页
College Physics
