Home Physics Semiconductor Electronics Semiconductors Copper and silicon is cooled from 300 K to 6…
Physics Semiconductor Electronics Semiconductors MCQ (Single Correct)

Copper and silicon is cooled from 300 K to 60K, the specific resistance :-

A
Decrease in copper but increase in silicon
B
Increase in copper but increase in silicon
C
Increase in both
D
Decrease in both

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Text Solution

Verified by Experts
The correct answer is:
A

For metals specific resistance decrease with decrease in temperature whereas for semiconductors specific resistance increases with decrease in temperature.

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