Question

How many electron are there in one coulomb?
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Answer 1

Answer:

One coulomb (C) of charge represents an excess or deficit of 6.24 x 1018 electrons

Answer 2

One Columb of charge contains 

6 × 10¹⁸ electrons.

Explanation:

We know that the charge on an electron is negative, and it is -1.6⨯10^-19 coulomb.

We need to calculate the number of electrons constituting one coulomb of charge.

e = 1.6 × 10^-19 C

Total charge required for 1Coulomb.

∴  q = 1C ……….(1)

The formula to calculate the charge is

q = ne where, q = charge

e = number of electrons

∴ n = q/e ……….(2)

Substituting equation (1) in equation (2), we get

n = 1/(1.6 × 10^-19)

n = 6.25 × 10¹⁸ electrons ≅ 6 × 10¹⁸ electrons

So, One Columb of charge contains 

6 × 10¹⁸ electrons.

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