Question

If the charge on the electron is 1.6*10^-19 coulomb how many electrons should pass through a conductor in one sec to contribute 1ampere current

Answer 1

We know
I = Q/t
1 = Q/1
Q = 1 C
charge is 1 C.
$$\begin{gathered} chargeonelectrone=1.6\times {10}^{-19}C \\ 1Cwillhave=\frac{1}{1.6\times {10}^{-19}}electrons \\ ,=625\times {10}^{16}electrons. \end{gathered}$$