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Electronic Devices and Circuits

Q1: In an intrinsic semiconductor, the intrinsic charge concentration at any absolute temperature T is proportional to

A T

B T2

C T3

D T4

ANS:C - T3

As increases or absolute temperature in intrinsic semiconductor number of electrons and holes are equal. So, as increases 2 times temperature charge carrier increase 4 times so, the right option is B.



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