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4. (a) Explain the concept of (i) intrinsic, (ii) n-type, and (iii) p-type semiconductors with the aid of bond diagrams and band diagrams.
(b) What is a hole? Using a mathematical derivation to show that the holes behave like positive charges.
(c) Explain with the aid of Fermi-Dirac distribution function that at 0° K, all the energy states in the valence band of silicon are filled and all the energy states in the conduction band are empty.
(d) Why it is necessary to use effective mass instead of real mass for electrons in the analysis of semiconductor materials and mention why different effective masses are to be used for different types of semiconductors,
(e) Explain (a) bonding orbital and (b) anti-bonding orbital.
Uses of phosphoric acid
what is lattice point?
boiler corrosion
explain heat as internal energy as state function
I have to prepare an assignment on Kohlrausch''s law .So what topics should I include under this topic for an effective assignment ??????
Glucose and fructose are epimers so they are differ in their second carbon position and remaining is same so when they react with phenylhydrazeen they give same osazone
Hello. Do you know the rubric of what I need to know about chemistry because I am taking Chemistry this fall and I would like to know the basics
Fe3+ + e ------> Fe2+
Reduction of Alkyne: Alkynes add on hydrogen in existence of appropriate catalysts like finely divided Ni, Pd. Determine if the triple bond is not found at the end of t
Explain about the interstitial defects An interstitial is an atom that occupies a place outside the normal lattice position. It might be the similar type of atom as the others
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