A) remain same
B) increase four times
C) decrease four times
D) increase first and then will decrease
Correct Answer: C
Solution :
\[I=n\,\,e\,\,A\,\,{{v}_{d}}\] Here, \[I\] is same, so\[{{v}_{d}}\propto \frac{1}{A}\] Note that, if voltage applied to a wire of constant length is same, then drift velocity is independent of\[A\].
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