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Drift Velocity of Electron

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Question

What is relation b/w current and drift velocity

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Solution

Dear student,
Following is the relation between current and drift velocity:
$I = n e A V_{d} w h e r e, I = c u r r e n t n = N u m b e r o f e l e c t r o n s p e r u n i t v o l u m e o r n u m b e r d e n s i t y o f e l e c t r o n . e = c h a r g e o f e l e c t r o n A = a r e a o f c r o s s s e c t i o n V_{d} = d r i f t v e l o c i t y$
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