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If 10^(9) electrons move out of a body t...

If `10^(9)` electrons move out of a body to another body every second, then the time required to get a total charge of 1 C on the other body is

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`t=(1" C")/(10^(9)xx1.602xx10^(-19)C//s)=6.25xx10^(9)s=198` years
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