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Calculate the no of electron constituting …

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Calculate the no of electron constituting 1coulomb charge

Posted by Bittu Pundir 5 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 5 months ago

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 ⨯ 10¹⁸ electrons.

So, if 1 A current flows through a conductor, then
6.25 ⨯ 10¹⁸ electrons pass per a second across the cross-section of the conductor.

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