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  • The resistivity  of semiconductor varies with temperature. Which of the following curve represents th

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

correct behavior

Option: 1


Option: 2


Option: 3


Option: 4


Answers (1)

best_answer

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,\rho=\frac{m}{n e^2 \tau}
As Temperature increase, \tau decreases but \mathrm{n} increases and \mathrm{n} is dominant over \tau.

Posted by

Ritika Harsh

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