If the length of a wire conductor is doubled by stretching it, keeping the potential difference across it constant, by what factor does the drift speed of electrons change?
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The new drift velocity will gets halved.
Explanation:
Ohm's law is given by :
Drift velocity is given by :
......(1)
Resistance of wire is given by :
If the length is doubled, l'=2l
New resistance becomes :
Now,
New drift velocity will be :
So, the new drift velocity will gets halved.
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If the length of a wire conductor is doubled by stretching it, keeping the potential difference across it constant, by what factor does the drift speed of electrons change?
https://brainly.in/question/15509106
Answered by
0
Answer:
its drift velocity will be halved
Explanation:
when the potential difference is constant the length is inversly proportional to drift velocity
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