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Electronic Devices & Circuits Semiconductor Fundamentals

The Einstein relation for a nondegenerate semiconductor connects diffusion coefficient D and mobility mu approximately as?

AD/mu = kT/q
BDmu = q/kT
CD/mu = qT/k
DD = mu/T only

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Correct Answer: A. D/mu = kT/q

Explanation: The Einstein relation is D/μ = kT/q, linking carrier diffusion and drift properties at temperature T.

Reference: Standard semiconductor electronics: Einstein relation

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