《2015年江苏省普通高中学业水平测试(选修科目)说明》物理学科的“法拉第电磁感应定律楞次定律”考点删除了“有关反电动势的计算不做要求”的说明.针对这一重要变化,有必要对涉及此知识点的问题进行归类,以提高复习效率. “2015 Jiangsu Province general high school academic level test (elective subjects)” Physics “” Faraday’s law of electromagnetic induction Lenz’s law “test center deleted ” the calculation of the back EMF is not required One important change is the need to categorize the issues involved in this knowledge point to improve review efficiency.