The electron concentration in a sample of uniformly doped n – type silicon at 3000 K varies linearly from 10^17/^3 = 0 6 × 10^16/^3 = 2. Assume a situation that electrons are supplied to keep this concentration gradient constant with time. If electronic charge is 1.6 × 10^-19 coulomb and the diffusion constant = 35 ^2/, the current density in the silicon, if no electric field is present is

The electron concentration in a sample of uniformly doped n – type s

1.	The electron concentration in a sample of uniformly doped n – type silicon at 3000 K varies linearly from 10^17/^3 = 0 6 × 10^16/^3 = 2. Assume a situation that electrons are supplied to keep this concentration gradient constant with time. If electronic charge is 1.6 × 10^-19 coulomb and the diffusion constant = 35 ^2/, the current density in the silicon, if no electric field is present is
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