闷电磁学01-01：电荷 有京大赞 口静电感应与Van de Graaff Generator起电机 spherical Self.exciting charging systems for Van de Graaff generators metal collector B rubber belt + H.T. motorized (~10KV) rollers Friction svster Holtz system Toepler system Wimshurst system 口Graaff起电机应用t视频：Inducing Dipoles with a Van de Graaff Generator 口You tube视频地址：https:/www.youtube.com/watch?y=c62A8 xf jcA 口问题： 范德霍夫起电机的详细工作原理电磁学01-01: 电荷  静电感应与Van de Graaff Generator起电机  问题：范德霍夫起电机的详细工作原理  Graaff起电机应用视频：Inducing Dipoles with a Van de Graaff Generator  You tube视频地址：https://www.youtube.com/watch?v=c62A8xf_jcA