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Sagot :

[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]

Charge on one electron :

  • [tex]1.602 \times 10 {}^{ - 19} \: \: coulombs[/tex]

So, charge on ball having 97 electrons is equal to :

  • [tex]97 \times 1.602 \times 10 {}^{ - 19} [/tex]

  • [tex]155.394 \times 10 {}^{ - 19} [/tex]

  • [tex]1.554 \times 10 {}^{ - 17} \: \: coulombs[/tex]