According to the work of magnetic force, the relationship between induction electro motive force and the energy change in magnetic field is analysed.

根据磁力做功的特点，通过对感应电动势与磁场能量变化关系的分析，得出磁力做功是磁场能量改变的量度、电磁感应现象是能量转换的过程的结。

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That is, it gives us the relationship between energy and work and heat.

热力学第一定律阐述了,能量，功和热之间的关系。

麻省理工公开课 - 热力学与动力学课程节选