12-01-2015
Physics

Answered

An object contains 4.9*10^7 excess electrons. What is its net charge?

Answer :

12-01-2015

The charge on the electron is 1.602 x 10^-19 Coulomb.

4.9 x 10^7 of them add up to

(4.9 x 10^7) x (1.602 x10^-19) = 7.85 x 10^-12 Coulomb .

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