Ac current probe act as a current transformer which the core can be opened and clamped on a currentcarryingconductor.
交流电流探头是利用电流变压器的原理来测试电流的﹐它的中心部分可以打开和卡紧在有电流流过的导线上。
2
Inspired by the force action caused by magnetic field to currentcarryingconductor and Newton's third law, we tried to make a new type of DC motor, yet we failed.
受磁场对载流导线有力的作用和牛顿第三定律的启发，希望制造一种新型的直流电动机。然而失败了。
3
In this paper, the calculating formulas of magnetic field for long currentcarryingconductor with any form of cross-section are deduced with the help of magnetic vector potential.