Question:

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

Updated On: Mar 19, 2025
  • The resistivity ( οΏ½ ρ) of semiconductor varies with temperature.
  • The resistivity ( οΏ½ ρ) of semiconductor varies with temperature.
  • The resistivity ( οΏ½ ρ) of semiconductor varies with temperature.
  • The resistivity ( οΏ½ 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, 𝜌 = π‘š /𝑛𝑒^2𝜏 As Temperature increase, 𝜏 decreases but n increases and n is dominant over 𝜏.
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