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Copper and Germanium are cooled from roo...

Copper and Germanium are cooled from room temperature to 100 K . Then the resistance of

A

germanium increases , copper increases

B

germanium decreases , copper increases

C

germanium decreases , copper decreases

D

germanium increases , copper decreases

Text Solution

Verified by Experts

The correct Answer is:
D
Resistance of conductor decreases while those of semiconductors increases on cooling.
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