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Cu and Ge are cooled to 70 K then :-...

Cu and Ge are cooled to 70 K then :-

A

the resistance of Cu will decrease and that of Ge will decrease

B

the resistance of Cu will decrease and that of Ge will increase

C

the resistance of both Cu and Ge decrease

D

the resistance of both Cu and Ge increase

Text Solution

Verified by Experts

The correct Answer is:
B
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