Book: NCERT - Science
Chapter: 12. Electricity
Subject: Physics - Class 10th
Q. No. 3 of In Text Questions-Pg-200
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Calculate the number of electrons constituting one coulomb of charge.
We know that, the charge of an electron, e = 1.6 X 10-19 C
Therefore, 1.6 X 10-19 C of charge is equivalent to = 1 electron
By unitary method,
Thus, 6.25 
electrons constitute 1 coulomb of charge.
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