The elementary unit of charge (the charge on one electron) = 1.6 x 10^-19 coulomb.
1 coulomb = the charge on 6.25 x 10^18 electrons
10 coulombs = the charge on 6.25 x 10^19 electrons
To create a charge of 10 coulombs, you need approximately 6.25 × 1 0 19 electrons. This is calculated by multiplying the number of electrons per coulomb by 10. Since one coulomb equals about 6.25 × 1 0 18 electrons, the result is 62.5 × 1 0 18 or 6.25 × 1 0 19 electrons.
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