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一、考纲解读“恒定电流”是高中物理的重点,是电磁学部分的基础,是高考必定涉及的知识点.2015年高考《考试大纲》中,属于Ⅰ级要求的有:电阻定律,电阻的串、并联,电源的电动势和内阻,电功率、焦耳定律;属于Ⅱ级要求的有:欧姆定律,闭合电路的欧姆定律.从近年高考试题来看,尽管每年不一定会对这部分
First, the test program to interpret “constant current ” is the focus of high school physics, is part of electromagnetics, college entrance examination will certainly involve the knowledge point .2015 college entrance examination “syllabus”, belongs to Class I requirements are: resistance law, Resistance series, parallel, power emf and internal resistance, electric power, Joule law; Belongs to the Ⅱ level requirements are: Ohm's law, closed circuit Ohm's law from the college entrance examination papers in recent years, although not necessarily every year on this part