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李立新, 于凤军. 载流螺绕环轴线上磁场为零的条件[J]. 信阳师范学院学报(自然科学版), 2005, 18(3): 274-275.
引用本文: 李立新, 于凤军. 载流螺绕环轴线上磁场为零的条件[J]. 信阳师范学院学报(自然科学版), 2005, 18(3): 274-275.
shu
LI Li-xin, YU Feng-jun. The magnetic field along the symmetic axis of a toroid[J]. Journal of Xinyang Normal University (Natural Science Edition), 2005, 18(3): 274-275.
Citation: LI Li-xin, YU Feng-jun. The magnetic field along the symmetic axis of a toroid[J]. Journal of Xinyang Normal University (Natural Science Edition), 2005, 18(3): 274-275.
shu

载流螺绕环轴线上磁场为零的条件

The magnetic field along the symmetic axis of a toroid

    摘要
  • 摘要: 用毕奥萨伐尔定律计算出非密绕螺绕环轴线上的磁场分布,然后给出了载流螺绕环轴线上磁感应强度为零的条件,并定性导出了螺绕环外部磁场为零的条件.

     

    Abstract: The magnetic field along the symmetrical axis of a toroid which has finite number of turns of wire and carries a current is calculated by using Biot-Savart law. The condition under which the magnetic field (B)ρ outside the toroid is 0 is given.

     

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