How should the drift velocity change to maintain i

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Reference no: EM13837371

A conductor with diameter D carries a current I, with positive charge carriers +q and carrier density n. If the diameter were increased by a factor of 3, keeping +q and n constant, how should the drift velocity change to maintain I ?

A. increase by a factor of 3

B. increase by a factor of 9

C. decrease by a factor of 3

D. decrease by a factor of 9

Reference no: EM13837371

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