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What is the difference among Free Electron Theory and Band Theory of solids?
Free Electron Theory:
This theory says that, metals conduct electricity due to the presence of free electrons in it. The outermost shells of metal atoms will be loosely bound with their nucleus. So the electrons in it are free to move anywhere in the solid.
These electrons are known as free electrons and these electrons are responsible for the conduction of electricity.
The symmetrical scissors truss shown below is supported at point A and D. The support at D is a rocker bearing and does not produce a horizontal reaction. A, B, C, D, E & F are pi
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Gauss' law: The electric flux by a closed surface is proportional to the algebraic total of electric charges contained in that closed surface; in differential form, div E =
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Long, thin, pliable carpet is laid on the ?oor. One end of the carpet is bent back and then pulled backwards with constant unit velocity, just above the part of the carpet which is
define varigonon law
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