在考纲中,交变电流共两个考点,皆为Ⅰ级要求,难度不大.本考点主要以选择题形式出现,当然,在2012年的江苏、安徽高考中也出现了计算题,但是难度适中,按部就班便可得分.所以该部分内容不管以何种形式出现,我们复习时只要以教材为本,注重原理,厘清脉络,都可以应付自如.为此,本文将考查热点分类讲 In the syllabus, the alternating current of a total of two test centers, are all requirements of Level I. It is difficult to test the point mainly in the form of multiple-choice questions, of course, in 2012 Jiangsu, Anhui college entrance examination also appeared in the calculation, but the difficulty Moderate, step by step will be able to score, so no matter what the form of the contents of this part, as long as we review the teaching materials, pay attention to the principle, to clarify the context, can cope with ease.To this end, this article will examine the hot classification