College Physics ›› 2021, Vol. 40 ›› Issue (12): 52-.doi: 10.16854 / j.cnki.1000-0712.210140
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WANG Kai-ze，TAO Xiao-ping
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Abstract:
The paper quantitatively studies the motion of the small magnet falling on the metal
tube，gives the relevant theoretical formulas，and designs experiments that measure physical
parameters such as the falling speed of the small magnet，the magnetic moment of the small magnet
and the resistivity of the metal tube.
Key words: permanent magnet, magnetic moment, vortex, damped motion
WANG Kai-ze, TAO Xiao-ping. Research on the damped motion of a small magnet falling in a metal tube[J].College Physics, 2021, 40(12): 52-.
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URL: https://dxwl.bnu.edu.cn/EN/10.16854 / j.cnki.1000-0712.210140
https://dxwl.bnu.edu.cn/EN/Y2021/V40/I12/52
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