Answer :

Final answer:

A collection of 6.25× [tex]10^{18[/tex] electrons carries a total charge of -1.00 Coulomb, based on the charge of a single electron being -1.6022×[tex]10^{-19[/tex] C.

Explanation:

A collection of 6.25×[tex]10^{18[/tex] electrons has a combined charge of -1.00 coulomb. The charge of an electron is approximately -1.6022×[tex]10^{-19[/tex] C (Coulombs), and it is known that charge is quantized, which means it exists in discrete amounts. This concept is fundamental in physics, as it shows that all charges are made up of integral multiples of a basic unit of charge carried by electrons.

The calculation essentially means that if you have 6.25× [tex]10^{18[/tex] electrons, the total negative charge they carry sums up to -1 Coulomb. This is because the charge of a single electron is -1.6022×[tex]10^{-19[/tex] C, and the total number of electrons multiplied by this charge per electron gives us the total charge

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Rewritten by : Barada

Answer:

Explanation:

1)The charge of one electron is given by

1 e = - 1.6 * 10-19 C

Then – 1 C = 1 e / ( 1.6 * 10-19 )

= 6.25 * 1018 e

So one-coulomb charge has 6.25 * 1018 electrons

2)Let q1 and q2 be two charges separated by a distance r

Then q1 = - 40 µC = - 40 * 10-6 C

And q2 = 108 µC = 108 * 10-6 C