If 10^{9} electrons move out of a given body to another body every second, how much time is required to get a total charge of 1C of the other body?
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Defined q= n x e
here q=6.25x10^{-18}
and given that 10^{9} electrons.
so the time is required is 6.25x 10^{-18} x10x(9)=6.25x10^{9}
=6250000000 seconds
=104166666.666666667 minutes
=1736111.1111111 hours
=72337.96296296 days
=198.186199899 years.