本文对安培力、动生电动势、动生电流等的方向，提出了新的统一的判定方法——右手因果定则。
This paper provides a:new universal method-the Right Hand Cause-Effect Rule forjudging the direction of ampere force, motional electromotive force and motional current.
针对动生电动势等于洛仑兹力所作的功的问题，定量证明在动生电动势中洛仑兹力并不作功，并得出洛仑兹力永不作功的结论．。
To answer the question whether Lorentz force does work or not in the case of electromotive force, it is proved that Lorentz force does no work in electromotive force.
提出了狭义相对论中的动生电动势佯谬问题 ，并利用狭义相对论进行了详细的分析和计算 ，从同时的相对性的角度加以圆满解决 。
This paradox is analyzed and calculated on the specical theory of relativity and solved satisfactorily in the perspective of the relativity of simultaneity.
本文推导出在一般情况下的感生电动势和动生电动势公式，并在此基础上，对感生电场进行了进一步的研究，给出了求解感生电场的两个重要公式。
The article deduces emf from varying magnetic field and motional emf in a general case further researches induced electric field and presents two important formulae of induced electric field.
本文推导出在一般情况下的感生电动势和动生电动势公式，并在此基础上，对感生电场进行了进一步的研究，给出了求解感生电场的两个重要公式。
The article deduces emf from varying magnetic field and motional emf in a general case further researches induced electric field and presents two important formulae of induced electric field.
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