作者wrbyonex (间波)
看板Physics
标题[问题] 基本的电荷问题
时间Fri Feb 8 13:16:53 2008
1.A charged comb often attracts small bits of dry paper that then fly away when they touch the comb. Why?
2.Sparks are often seen or heard on a dry day when fabrics are removed from a clothes dryer in dim light. Why?
以上两题都是简单基本的观念题,可是我没有信心能完整答出来,可否请各位大大解惑?
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