Question: Figures 16-7 and 16-8 show how a charged rod placed near an uncharged metal object can attract (or repel) electron. There are a great many

Figures 16-7 and 16-8 show how a charged rod placed near an uncharged metal object can attract (or repel) electron. There are a great many electrons in the metal, yet only some of them some as shown. Why not all of them?

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