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Semiconductor Devices and Transistor Fundamentals

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Multiple Choice

The resistivity of an intrinsic semiconductor decreases with increasing temperature. This is because with increasing temperature,

  1. Both the carrier concentration and mobility of carriers decrease
  2. The carrier concentration increases but the mobility of carriers decreases
  3. The carrier concentration decreases but the mobility of carriers increases
  4. The carrier concentration remains the same but the mobility of carriers decreases
  5. None of these
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