Question:

The resistivity (\(\rho\)) of semiconductor varies with temperature. Which of the following curve represents the correct behavior

Updated On: Mar 12, 2026
  • The resistivity ( ļæ½ ρ) of semiconductor varies with temperature.
  • The resistivity ( ļæ½ ρ) of semiconductor varies with temperature.
  • The resistivity ( ļæ½ ρ) of semiconductor varies with temperature.
  • The resistivity ( ļæ½ ρ) of semiconductor varies with temperature.
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The Correct Option is C

Solution and Explanation

A semiconductor starts conduction more as the temperature increases. It means resistance decreases with increase in temperature. So, if temperature increases, its resistivity decreases. Also, šœŒ = š‘š /š‘›š‘’^2šœ As Temperature increase, šœ decreases but n increases and n is dominant over šœ.
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