Statement I Resistivity of conductor increases with the inc…

Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 10 PCB Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Statement I Resistivity of conductor increases with the increase of its temperature.

Statement II Relaxation time of electrons in conductor increase with the increase of its temperature.

Both Statement I and Statement II are correct

Statement I is correct and Statement II is incorrect

Both Statement I and Statement II are incorrect

Statement I is incorrect and Statement II is correct

Text Solution

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Resistivity of conductor increases with increase of its temperature.

We know that, resistivity of a conductor,

where, is relaxation time.

With the increase of temperature of conductor, mean free path for the electrons decreases. Hence, relaxation time also decreases with the increase of temperature.

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