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Question

A uniform copper wire carries a current i amperes and has p carries per metre3. The length of the wire is l metres and its cross-section area is a metre2. If the charge on a carrier is q coulombs, the drift velocity in ms1 is given by
  1. i/lsq
  2. i/psq
  3. psq/i
  4. i/pslq

A
i/pslq
B
i/lsq
C
psq/i
D
i/psq
Solution
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