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?
以上兩題都是簡單基本的觀念題,可是我沒有信心能完整答出來,可否請各位大大解惑?

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