Electronics and Communication Engineering - Exam Questions Papers - Discussion


As the temperature increases the mobility of electrons __________ .

[A]. decreases because the number of carries increases with increased collisions
[B]. increases because the number of carries decreases with decreased collisions
[C]. remains same
[D]. none of the above

Answer: Option A


Mobility of electrons

m = 2.5 for electrons and 2.7 for holes in Si.

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