According to Faraday's Law of Electromagnetic Induction, using the reference direction of circuit variation, it can find a method of V-A Equation made by mutual inductive circle at its option.

本文依据法拉第电磁感应定律，利用电路变量的参考方向，找出了获得任意情形下互感线圈v - A方程的一种方法。

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By means of Faraday's law of induction and Lorentz's formula of force, the relativity of induced electric field was given concisely.

本文分别由法拉第电磁感应定律和洛仑兹力公式简明地导出了感应电场在不同惯性参考系中的相对关系式。

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The general formula for calculating the work of Ampere's force is derived according to the Ampere's law and the Faraday's law of electromagnetic induction.

通过安培定律与法拉第电磁感应定律导出安培力做功的一股公式。

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