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A strip of copper and another of germanium are cooled from room temperature to 80K. The resistance of 
  • a)
    each of these decreases
  • b)
    copper strip increases and that of germanium decreases
  • c)
    copper strip decreases and that of germanium increases
  • d)
    each of these increases
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A strip of copper and another of germanium are cooled from room temper...
The resist ance of metal (like Cu) decr eases with decrease in temperature whereas the resistance of a semi-conductor (like Ge) increases with decrease in temperature.
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A strip of copper and another of germanium are cooled from room temperature to 80K. The resistance ofa)each of these decreasesb)copper strip increases and that of germanium decreasesc)copper strip decreases and that of germanium increasesd)each of these increasesCorrect answer is option 'C'. Can you explain this answer?
Question Description
A strip of copper and another of germanium are cooled from room temperature to 80K. The resistance ofa)each of these decreasesb)copper strip increases and that of germanium decreasesc)copper strip decreases and that of germanium increasesd)each of these increasesCorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A strip of copper and another of germanium are cooled from room temperature to 80K. The resistance ofa)each of these decreasesb)copper strip increases and that of germanium decreasesc)copper strip decreases and that of germanium increasesd)each of these increasesCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A strip of copper and another of germanium are cooled from room temperature to 80K. The resistance ofa)each of these decreasesb)copper strip increases and that of germanium decreasesc)copper strip decreases and that of germanium increasesd)each of these increasesCorrect answer is option 'C'. Can you explain this answer?.
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