In this paper, aiming at the force between the superconducting sphere and the circular coil, we introduce a simplified and efficient method to calculate it.

针对超导球体和圆形线圈之间的力的作用，介绍了一种简化而有效的计算悬浮力的方法。

The voltage pulse induced by a bar magnet as it moves at constant velocity through the axis of a circular coil is analyzed.

分析了条形磁铁沿线圈轴向匀速通过线圈时感应引起的电压脉冲。