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Electric & Electronic Circuit Components 4

4.  A piece of copper and another of germanium are cooled from room temperature to 80 k. The resistance of :

(a) Each of them increases
(b) Each of them decreases
(c) Copper increases and germanium decreases
(d) Copper decreases and germanium increases

Answer : (d)

Explanation : No answer description available for this question. Let us discuss.

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