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  3. J & K CET Engineering

J & K CET Engineering J and K - CET Engineering Solved Paper-2007

  • question_answer
    The temperature of germanium is decreased from room temperature to \[100\text{ }K,\]the resistance of germanium

    A)  decreases

    B)  increases

    C)  unaffected

    D)  depends on external conditions

    Correct Answer: B

    Solution :

    Germanium is a semiconductor and possesses negative temperature coefficient. Therefore, when temperature of germanium is decreased its resistance increases.


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