Question

Calculate the number of electron Constiling one coulomb of charge. ​

Answer 1

Answer:

One electron possesses a charge of 1.6 ×10-19C, i.e., 1.6 ×10-19C ofcharge is contained in 1 electron. Therefore, 6 x 1018 electrons constitute one coulomb of charge......

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Answer 2

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 1Coulomb.

Therefore q = 1C

We know the formula

q=ne

n =q/e—–(i)

Hence, 1 C charge is carried by

Substituting the values in equation (i) we get,

1/ (-1.6⨯10^-19) = 6.25 ⨯ 10^18 electrons.

So, if 1 A current flows through a conductor, then

6.25 ⨯ 10^18 electrons pass per a second across the cross-section of the conductor.