Q = It
2 x 10<sup>-4</sup> A x 1 = 2.4 x 10<sup>-4</sup>C
n = $\frac{2\times 10^{-4}}{1.6\times 10^{-19}}$
= 1.25 x 10<sup>15</sup> electrons.
johnmulu answered the question on February 20, 2017 at 06:40
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