When the current i is flowing through a conductor, the drift velocity is v . If 2i current is flowed through the same metal but having double the area of cross-section, then the drift velocity will be

Options

A. `v//4`
B. `v//2`
C. v
D. 4v

Answer

C

Explanation

`I = "ne"Av_(d) rArr v_(d) = 1/("ne"A) = v_(d)`