A strip of copper, another of germanium are cooled from room temperature to 80 K. The resistance of
A. copper strip decreases germanium decreases. and that of
B. copper strip decreases germanium increases. and that of
C. Both the strip increases.
D. copper strip increases germanium decreases. and that of
Answer:B
A strip of copper, another of germanium are cooled from room temperature to 80 K. The resistance of
A. copper strip decreases germanium decreases. and that of B. copper strip decreases germanium increases. and that of C. Both the strip increases. D. copper strip increases germanium decreases. and that of