College Physics ›› 2019, Vol. 38 ›› Issue (6): 16-.doi: 10.16854 /j.cnki.1000-0712.180517
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LIAO Qi-li，DENG Ya，YU Yan，XIE Guo-ya，ZHANG Zhu-feng
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Abstract: By using the mirror image method in electromagnetism and the Mathematica software，we calculate
the electric potential outside space of the a conductor ball on the axis of the charged thin ring. The electric potential
distribution of the conductor ball outside space is drawn. Then，electric field force can be obtained by using the relationship
between electric potential energy and electric field force，and the force of electric field with distance
change is drawn.
Key words: electric potential, conductor ball, uniform charged thin ring, Mathematica
LIAO Qi-li, DENG Ya, YU Yan, XIE Guo-ya, ZHANG Zhu-feng. The force of the charged thin ring and the conductor sphere obtained by using the potential energy method[J].College Physics, 2019, 38(6): 16-.
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URL: https://dxwl.bnu.edu.cn/EN/10.16854 /j.cnki.1000-0712.180517
https://dxwl.bnu.edu.cn/EN/Y2019/V38/I6/16
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