Using several mutually perpendicular square coils it is possible to create a spatial minimum point of magnetic field where a magnetically suspended superconducting ball is located. A dynamic demonstration of the Meisner effect can then be achieved by controlling the currents through each coil.

  • 用相互垂直的数个线圈构造空间磁场的极小值点,通过计算机改变线圈中的电流,使此极小值点做受控运动,从而实现通过悬浮于该处的超导球对迈斯纳效应的动态展示。

  • 互联网摘选 2025-01-19 22:39:48

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