楞次定律是高考的热点考查内容,对它的深刻理解与应用是考生应重点突破的难关之一.应用楞次定律实际上就是寻求电磁感应中的因果关系:因——穿过闭合电路的磁通量发生变化,果——产生感应电 Lenz’s law is a hot test of the college entrance examination content, its profound understanding and application of candidates should focus on the breakthrough of one of the difficulties.Application Lenz’s law is actually the search for the causal relationship between electromagnetic induction: - through the closed circuit Magnetic flux changes, if - produce inductive electricity