高中物理第三章磁场第三节探究安培力省公开课一等奖新名师优质课获奖课件.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,第三章磁场,1/66,2/66,学习目标,重点难点,1.经过试验认识安培力，会用左手定则判断安培力方向，会计算匀强磁场中安培力大小.,2.了解磁感应强度定义，会用磁感应强度定义式进行相关计算.,3.知道磁通量，能计算穿过某面积磁通量,重点,1.会用左手定则判断安培力方向，会计算匀强磁场中安培力大小.,2.了解磁感应强度定义，会用磁感应强度定义式进行相关计算,难点,磁通量了解.,3/66,作用力,左手,垂直,伸开四指,大拇指,4/66,5/66,6/66,7/66,8/66,垂直,9/66,N极,磁场方向,大小和方向,10/66,BIL,BIL,sin,0,11/66,12/66,13/66,14/66,15/66,垂直于磁场方向面积,S,BS,16/66,韦伯,标量,17/66,18/66,19/66,20/66,21/66,22/66,23/66,24/66,25/66,26/66,27/66,28/66,29/66,30/66,31/66,32/66,33/66,34/66,35/66,36/66,37/66,38/66,39/66,40/66,41/66,42/66,43/66,44/66,45/66,46/66,47/66,48/66,49/66,50/66,51/66,52/66,53/66,54/66,55/66,56/66,57/66,58/66,59/66,60/66,61/66,62/66,63/66,64/66,65/66,66/66,