A) \[{{10}^{-8}}\text{m/s}\]
B) \[{{10}^{3}}\text{m/s}\]
C) \[\text{1}\,\text{m/s}\]
D) \[{{10}^{-4}}\text{m/s}\]
Correct Answer: D
Solution :
\[J=nev\] \[v=\frac{I}{ne}=\frac{1}{7.4\times {{10}^{-7}}}\times 8.4\times {{10}^{28}}\] \[=\frac{{{10}^{-2}}}{8.4\times 1.6\times 7.4}\]You need to login to perform this action.
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