Current Electricity Charging Discharging Of Capacitors Question 417
Question: A strip of copper and another of germanium are cooled from room temperature to 80 K. The resistance of
[AIEEE 2003]
Options:
A) Each of these increases
B) Each of these decreases
C) Copper strip increases and that of germanium decreases
D) Copper strip decreases and that of germanium increases
Show Answer
Answer:
Correct Answer: D
Solution:
For conductors, resistance µ Temperature and for semi-conductor, resistance µ $ \frac{1}{\text{Temperature}} $
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