Physics
Medium
Question
A piece of copper and a piece of germanium are cooled from the room temperature down to 77 K.
A
The resistance of each of them increases.
B
The resistance of each of them decreases.
C
The resistance of copper decreases and that of germanium increases.
✓ Official correct answer
D
The resistance of copper increases and that of germanium decreases
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A
The resistance of each of them increases.
No member explanations yet for this option.
B
The resistance of each of them decreases.
No member explanations yet for this option.
C
The resistance of copper decreases and that of germanium increases.
No member explanations yet for this option.
D
The resistance of copper increases and that of germanium decreases
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