Physics, asked by leela593, 1 year ago

A conductor of length l is connected to a dc source of potential v the conductor is stretched to a length 3 l keeping v constant how do resistance of the conductor resistivity of the material of the conductor drift speed of electron and the conductor change

Answers

Answered by sdf55
3

Answer:

resistivity remain same , resistance 9 times , drift velocity remain same

Explanation:

=> resistivity of a material is independent of length and area

=> resistance is directly proportional to l square

=> drift velocity is independent of length and it depends on area

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