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MHT CET202122 Sep 2021Morning ShiftPhysicsSemiconductorsActual

Choose the FALSE statement from the following.

Options

  1. AGenerally, in conductors the valence and conducting bands overlap.
  2. BThe resistivity of a semiconductor increase with increase in temperature
  3. CThe conductivity of a semiconductor increase with increase in temperature
  4. DSubstance with energy gap of the order of 10 eV are insulators

Correct answer

B. The resistivity of a semiconductor increase with increase in temperature

Step-by-step solution

The resistivity of a semiconductor decreases with increase in temperature

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