Using the slider to drive a metal bar to cut perpendicularly the uniform magnetic field in the center of a Helmholtz coil, induction electromotive force could be produced. 摘要利用滑塊帶動金屬桿切割亥姆霍茲線圈中心區域勻強磁場的磁感應線。
A unit of magnetic flux density equals to 1 maxwell per square centimeter. 一種磁通量密度單位,等於每平方厘米麥克斯韋。