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Search results with tag "Electrons and holes"
Physics Notes Class 12 Chapter 14 Semiconductor ...
ncerthelp.comare the number density of electrons and holes and n i is number density of intrinsic carriers, i.e., electrons or holes. In n-type semiconductor, n e > > n h In p -type semiconductor, n h > > n e Electrical conductivity of extrinsic semiconductor is given by σ = 1 / ρ = e (n e μ e + n h μ h) where ρ is resistivity, μ e and μ h
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ncert.nic.inholes. (ii) Holes will appear to be moving towards the negatively charged plate. (iii) Both electrons and holes appear to move towards the positively charged plate. (iv) Movement of electrons is not related to the movement of holes. 43. Which of the following statements are true about semiconductors?