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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 `80^@K`. The resistance of

A

Each of these increases

B

Each of these decreases

C

Copper strip increases and that of germinum decreases

D

Copper strip decreases and that of germanium increase

Text Solution

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The correct Answer is:
D
(d) Fof conductors, resistance `prop` Temperature and for semi-conductor, resistance `prop (1)/(Temperature)`
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A2Z-CURRENT ELECTRICITY-Section D - Chapter End Test
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