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If pd v is applied across …

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If pd v is applied across the ends of copper wire of length and diameter d.What is effect on drift velocity (1):if v is doubled (2):if l is doubled(3):d is doubled

Posted by Gurman Kaur 6 years, 9 months ago

CBSE > Class 12 > Physics

4 answers

Emblem Newtonian 6 years, 9 months ago

The length of the wire is doubled and thus cross section of the wire gets halved - In this case the resistance of the wire increases by 4 times and thus drift velocity becomes one fourth.

Emblem Newtonian 6 years, 9 months ago

If d is doubled it becomes 1/4th

Gurman Kaur 6 years, 9 months ago

And what about d

Ďãřşháñăã Yadav ? ? ? 6 years, 9 months ago

if v is double drift velocity becomes double. IF L is double drift velocity becomes half.

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