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Class 12PhysicsSemiconductor ElectronicsClassification of Materials and Energy Band Theory
Easy

Regarding a semiconductor,which one of the following is wrong?

  • A
    There are no free electrons at room temperature
  • B
    There are no free electrons at $0 \ K$
  • C
    The number of free electrons increases with rise of temperature
  • D
    The charge carriers are electrons and holes
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Class 12 Questions

Class 12

Physics Questions

Chapter

Semiconductor Electronics

Subtopic

Classification of Materials and Energy Band Theory

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