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A wire of aluminum and a wire of germani...

A wire of aluminum and a wire of germanium are cooled to a temperature of 770K . Then

A

resistance of each of them decreases.

B

resistance of each of them increases.

C

resistance of alumminium wire increases and that of germanium wire decreases

D

resistance of alumminium wire decreases and that of germanium wire increases

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TARGET PUBLICATION-SEMICONDUCTORS-EXERCISE
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