A piece of copper and another piece of Germanium are cooled from 30°C – McqOptions

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1.	A piece of copper and another piece of Germanium are cooled from 30°C to 80 K. The resistance of
A.	copper decreases and germanium increases
B.	both decreases
C.	both increases
D.	copper increases and germanium decreases
Answer» B. both decreases

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