Question

If p.d. a cross a given. Copper wire is increased, what happens to the drift velocity of elections ?

Answer 1

So,
If P.D. a cross given as and copper wire is increased then the drift velocity is decreased .
As drift velocity is defined as the movement of electron in given wire due to high resistivity in wire and potential difference across the region.
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Answer 2

Explanation:

If P.D. a cross given as and copper wire is increased then the drift velocity is decreased . As drift velocity is defined as the movement of electron in given wire due to high resistivity in wire and potential difference across the region.