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A piece of copper and another of germani...

A piece of copper and another of germanium are cooled from room temperature to 77 K, the resistance of -

A

each of them increases

B

each of them decreases

C

copper decreases and germanium increases

D

copper increases and germanium decreases

Text Solution

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The correct Answer is:
C
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ALLEN-SEMICONDUCTORS-Part-3(Exercise-4)
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