选这题的原因就是解释一下上面的几个性质 首先,整个导体电势相同,所以说表面是个等势面 其次,电荷分布在它表面 同时,因为表面是等势面,所以说电场方向垂直(也就是选出C的理由) 左边那个小球曲率更大,那它表面聚集的电荷更多(怎么判断曲率,大家可以看它的R,R越小,曲率越大) 曲率--curvature 电势能 单看计算...
A graphing calculator Cracking the AP Physics B and C Exams, 2006-2007 Edition (College Test Prep) (Paperback) by Princeton Review , $12.35 from Amazon.com, can generally also be purchased locally. Note: this book is the text for IB physics topics. Grading...
PHYSICS C: ELECTRICITY AND MAGNETISM SECTION II Time—45 minutes 3 Questions Directions: Answer all three questions. The suggested time is about 15 minutes for answering each of the questions, which are worth 15 points each. The parts within a question may not have equal weight. Show al...
Kenneth Rideout M.SJonathan Wolf M.A. Ed.M