Question

how many electron are there in a charge of -2 microcouloms​

Answer 1

Q = ne' where n is no of electons and e is the charge of an electron . So Here we saw that Charge is 1 microcolumb and 1 microcolumb is identical to 1*10 to the power -6. so 1*10^-6=1.6*10^-19*n So n=624*10^-10. so no of electrons is the given value.

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