用两种不同的方法给出了两道电磁学题目的解，通过一般形式的表达式，分析了它们之间的关系，指出它们之间的一致性，对物理教学具有一定的参考价值。%Using two different solution methods are given two electromagnetism subject ,through the general form of expression ,the relationship between them is analyzed ,point out the consistency between them ,to the physical teaching has certain reference value .
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