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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.
Steps of working of Unijunction Transistor (i) When emitter circuit is closed through switch S but emitter voltage is reduced to zero, and a voltage V BB is applied between
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Illustrates the principle of transmission electron microscope? Principle of Transmission Electron Microscope The electron microscopes are worked onto the basis of, while a b
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A pure semiconductor is known as intrinsic semiconductor. It has thermally formed current carriers (i) They have four electrons in the outer part of orbit of atom and atoms are
cryotron?
a) Orbital movement of electrons b) On the source of orbital motion of electrons c) These are repelled in an external magnetic field i.e. have a tendency to g
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A high-performance dragster with a mass of m = 1333 kg can accelerate at a rate of a = 23.5 m/s2. Write an expression for the magnitude of the net force, FNET, that propels the dr
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