The free electron concentration (n) in the conduction band …

Physics Semiconductor Electronics Energy Band MCQ (Single Correct)

The free electron concentration (n) in the conduction band of a semiconductor at a temperature T Kelvin is described in terms of E g and T as –

n = ATe –Eg/kT

n = AT 2 e –Eg/kT

n = AT 2 e –Eg/2kT

n = AT 3/2 e –Eg/2kT

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The correct answer is:

For a semiconductor, free electron concentration is:

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