Question

A sphere is charged with electrons to -6 x 10^-6C. How many electrons make up this charge? The elemental charge is 1.6 x 10^-19 C.

Answer 1

`3.75*10^(-13)` electrons

Step-by-step explanation:

The total charge Q is the sum of the charge of the N electrons contained in the sphere:

`Q=N*q_(e)`

`q_(e)=-1.6*10^(-19)C` charge of a electron

We solve to find N:

`N=(Q)/(q_(e))=(-6 x 10^(-6))/(-1.6 x 10^(-19))=3.75*10^(-13)`