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A strip of copper and another of germanium are cooled from room temperature to 80 ~K . The resistance of

Options

  1. Aeach of these decreases
  2. Bcopper strip increases and that of germanium decreases
  3. Ccopper strip decreases and that of germanium increases
  4. Deach of these increases

Correct answer

C. copper strip decreases and that of germanium increases

Step-by-step solution

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