高考物理复习第八章恒定电流第2节闭合电路欧姆定律及其应用市赛课公开课一等奖省名师优质课获奖课件.pptx

返回,第,2,节,1/62,课前回顾,基础速串,课堂提能,考点全通,课后演练,逐层过关,2,3,1,2/62,宏观整合，微观提醒，回顾旧知短平快,课,前,回,顾,基,础,速,串,3/62,4/62,5/62,6/62,易点速过，难点精研，时间用到增分点上,课,堂,提,能,考,点,全,通,7/62,8/62,9/62,10/62,11/62,12/62,13/62,14/62,15/62,16/62,17/62,18/62,19/62,20/62,21/62,22/62,23/62,24/62,25/62,26/62,27/62,28/62,29/62,30/62,31/62,32/62,33/62,34/62,35/62,36/62,37/62,38/62,39/62,40/62,41/62,42/62,43/62,44/62,45/62,46/62,47/62,48/62,49/62,50/62,51/62,52/62,53/62,54/62,聚,焦,盲,点,补,短,增,分,55/62,断路状态特点,短路状态特点,电源电压不为零而电流为零；若外电路某两点之间电压不为零，则这两点间有断点，而这两点与电源连接部分无断点,有电流经过电路而电压为零,56/62,57/62,58/62,59/62,60/62,61/62,谢,谢,观,赏,62/62,