can u send me previous question papers of secction engineer
(electronics),chennai rrb.
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an unknown semiconductor has Eg=1.1ev and Nv=Nc.it is doped with 10^15 donors,where the donor level is 0.2ev below Ec. given that Ef is 0.25ev below Ec, calculate ni and the concentration of electrons and holes in the semiconductor at 300k.
1 Answers Universiti Malaysia Pahang,
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