The equation Jn=qnµnE (A/cm^2) represents___________(a) Drift current(b) Drift current density(c) Diffusion current(d) Diffusion current densityI had been asked this question during an interview.My question is from Drift and Diffusion Current in section Diode Circuit of Analog Circuits

The equation Jn=qnµnE (A/cm^2) represents___________(a) Drift current

1.	The equation Jn=qnµnE (A/cm^2) represents___________(a) Drift current(b) Drift current density(c) Diffusion current(d) Diffusion current densityI had been asked this question during an interview.My question is from Drift and Diffusion Current in section Diode Circuit of Analog Circuits
Answer» The correct choice is (B) DRIFT current density Easy explanation: Here ‘Q’ is the charge on carrier, ‘n’ is the number of CARRIERS, ‘µn’ is the mobility constant and ‘E’ is the electric field intensity. These are the factors which comprise the drift current and hence the equation represents the drift current density.

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