Answer Posted / sanchit choubey

the drift current is that current which is due to the applied electric field and diffusion is one which is due to the minority charge carriers.
But this statement is not valid if we consider the case of the cambridge university...Following link shows a much better explaination...
http://www.facebook.com/l.php?u=http%3A%2F%2Fwww-g.eng.cam.ac.uk%2Fmmg%2Fteaching%2Flinearcircuits%2Fdiode.html&h=5da1e

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