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直流电路是电学知识的重要内容之一.每年高考都有与电路知识相关的试题,但很少出现单纯运用闭合电路欧姆定律的计算论述题,
DC circuit is one of the important contents of electrical knowledge. Every year college entrance examination has questions related to circuit knowledge, but there are few calculation essays that simply use closed circuit Ohm’s law.