It also points out that the magnetic field of unlimited length solenoid cannot be calculated only by Ampere 's Loop Law.
指出无限长载流螺线管的磁场是不能仅由安培环路定理求出的。
2
According to circuit principle of the experiment of measuring magnetic field in straight solenoid by impact galvanometer, theory analysis on reducing system error is done by using numerical method.
根据冲击电流计测直螺线管磁场的实验电路原理，利用数值计算方法，对减少测量的系统误差进行了理论分析。
3
And the magneto-optic material and solenoidmagnetic field as key parts of magneto-optic switch are analyzed.