A) \[{{10}^{17}}\]
B) \[{{10}^{19}}\]
C) \[{{10}^{19}}\]
D) \[{{10}^{17}}\]
Correct Answer: A
Solution :
\[i=\frac{ne}{t}\Rightarrow 16\times {{10}^{-3}}=\frac{n\times 1.6\times {{10}^{-19}}}{1}\]\[\Rightarrow n={{10}^{17}}\]
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