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Is the statement “Diffusion current produces Drift current” true?(a) Yes(b) No(c) Cannot Say(d) Insufficient DataI had been asked this question during an interview for a job.My doubt stems from Drift and Diffusion Current in section Diode Circuit of Analog Circuits |
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Answer» RIGHT CHOICE is (a) Yes For explanation I would say: The movement of charge CARRIERS is diffusion current and this movement produces an ELECTRIC field which is the root cause of drift current. This is also proved by the fact that both drift and diffusion current are equal and opposite in an UNBIASED semi-conductor. |
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