高考物理复习第九章磁场第1讲磁场及磁场对电流的作用力材料市赛课公开课一等奖省名师优质课获奖课件.pptx

1/80,2/80,3/80,4/80,磁场力,N,极,5/80,6/80,7/80,8/80,9/80,10/80,11/80,12/80,大拇指,弯曲四指,弯曲四指,伸直拇指,13/80,电流,磁场,14/80,15/80,16/80,垂直,四指,拇指,电流,磁场,安培力,17/80,BIl,sin,BIl,0,18/80,19/80,20/80,21/80,22/80,23/80,24/80,25/80,26/80,27/80,28/80,29/80,30/80,31/80,32/80,33/80,34/80,35/80,36/80,37/80,38/80,39/80,40/80,41/80,42/80,43/80,44/80,45/80,46/80,47/80,48/80,49/80,50/80,51/80,52/80,53/80,54/80,55/80,56/80,57/80,58/80,59/80,60/80,61/80,62/80,63/80,64/80,65/80,66/80,67/80,68/80,69/80,70/80,71/80,72/80,73/80,74/80,75/80,76/80,77/80,78/80,79/80,80/80,