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Question: Answered & Verified by Expert
The relaxation time in conductors
PhysicsCurrent ElectricityJEE Main
Options:
  • A Increases with the increase of temperature
  • B Decreases with the increase of temperature
  • C It does not depend on temperature
  • D All of sudden changes at $400 \mathrm{~K}$
Solution:
2676 Upvotes Verified Answer
The correct answer is: Decreases with the increase of temperature
Because as temperature increases, the resistivity increases and hence the relaxation time decreases for conductors $\left(r \propto \frac{1}{\rho}\right)$.

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