1.

Calculate the number of electrons constituting one coulomb of charge.

Answer»

The charge on an electron is negative and it is -1.6⨯10-19coulomb therefore, 1 C charge is carried by 1/ (-1.6⨯10-19) = 6.25 ⨯ 1018electrons.

Hence if 1 A current flows through a conductor,

it implies that6.25 ⨯ 1018electrons pass per a second across the cross section of the conductor.



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